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Absorbent Opal:An absorbent opal is a type of opal that has the ability to absorb water. This type of opal is typically found in arid or semi-arid regions, and is known for its ability to absorb moisture from the air. The absorbent properties of this type of opal make it an ideal material for use in jewelry, as it can help to keep the skin hydrated and prevent dryness.
Absorption Factor: The amount of light that is absorbed by a material.
Agate:An agate is a semiprecious stone that can be found in a wide range of colors. It is often used in jewelry and as a decorative element in homes. The word "agate" comes from the Greek word for "stone".
Agate Opal: A type of opal that has a banded or striped appearance.
Aggregate:An aggregate is a material made up of multiple smaller particles. It can be used in construction, as filler, or as a component of concrete or asphalt. Aggregates can be natural or man-made.
Akoya Pearls:Akoya pearls are saltwater pearls that come from the Akoya oyster. These pearls are typically white or cream-colored, and they are often used in jewelry. Akoya pearls are typically less expensive than other types of pearls.
Alexandrite:Alexandrite is a type of gemstone that changes color depending on the light source. It can appear green in daylight and red in artificial light. Alexandrite is rare and is often used in high-end jewelry.
Alloy:An alloy is a material made by combining two or more metals. Alloys are often stronger and more durable than pure metals. They are used in a variety of applications, including jewelry, coins, and electronics.
Alternative Metals:Alternative metals are materials that can be used in place of traditional metals such as gold, silver, and platinum. Alternative metals include titanium, stainless steel, tungsten, and palladium. These materials are often less expensive than traditional metals and they have unique properties that make them ideal for certain applications.
Amatite: A type of stone that is used for making jewelry and other ornamental objects.
Amber Opal: A type of opal that has a yellow or orange color.
Amethyst: Amethyst is a type of quartz that ranges in color from pale purple to deep violet. It is the February birthstone and it is often used in jewelry and other decorative items. Amethyst is relatively inexpensive compared to other gemstones
Ammolite: A type of fossilized shell that is used for making jewelry and other ornamental objects.
Amorphous: Having no definite shape or form.
Amulet: A small object, typically inscribed with a magic spell or prayer, that is worn as a charm to protect the wearer from harm.
Analog: A device that uses a continuously variable physical quantity to represent a signal or measure.
Andamooka Opal:Andamooka opal is a type of opal found in the Andamooka region of South Australia. It is characterised by its bright colours and patterns, and is often used in jewellery.
Andesite:Andesite is an igneous rock that is typically dark in colour and has a fine-grained or porphyritic texture. It is found in the Andes mountains, and is commonly used as a construction material.
Angel Stone:Angel stone is a type of opal that is found in the Lightning Ridge region of New South Wales. It is characterised by its white or light colours, and is often used in jewellery.
Ankle Bracelet/Anklet: A bracelet or chain worn around the ankle.
Anniversary Band: A ring given to commemorate an anniversary, typically after 10 or 25 years of marriage.
Anniversary Rings: Rings given to commemorate an anniversary, typically after 10 or 25 years of marriage.
Anodized: A process in which metal is coated with a thin layer of oxide to protect it from corrosion.
Antique finish: A process used to give metal a aged appearance.
Aquamarine:Aquamarine is a blue-green mineral that is a variety of beryl. It is found in metamorphic rocks that have been subjected to high pressure and temperature. Aquamarine is used as a gemstone, and its transparent crystals are often cut into faceted stones. The name aquamarine comes from the Latin word for seawater, aqua marina.
Artificial Opal:Artificial opal is a man-made material that imitates the appearance of natural opal. It is made from a variety of materials, including glass, plastic, and synthetic resins.
Assay:An assay is a test of the purity or content of a metal or other substance. It is usually done by measuring the amount of the substance in a sample. Assays are important in the field of metallurgy, where they are used to determine the purity of metals. They are also used in medicine and other fields.
Asscher_Cut:The Asscher_cut is a diamond cut with 58 facets, designed by Joseph Asscher in 1902. It is similar to the emerald cut, but with a larger culet and smaller table. The Asscher_cut diamond has an elegant rectangular shape and can appear larger than other diamonds of the same carat weight.
Atomic Timekeeping:Atomic timekeeping is a method of keeping time using atomic clocks. Atomic clocks are the most accurate timekeepers available, and they are used to set the international standard for timekeeping. Atomic timekeeping is used in many applications where precise timekeeping is essential, such as navigation and telecommunications.
Automatic Chronograph Movement:An automatic chronograph movement is a type of watch movement that uses gears and springs to measure elapsed time. The chronograph function starts and stops with the push of a button, and the elapsed time is displayed on the watch face. Automatic chronograph movements are more accurate than manual movements, and they are also more convenient to use.
Baguette:Baguette jewellery is a type of jewellery that is characterized by its long, thin shape. It is typically made from precious metals, such as gold or silver, and can be adorned with gemstones or other decorations. Baguette jewellery is often seen as being more elegant and sophisticated than other types of jewellery, and is therefore often worn for special occasions or as a statement piece.
Bail: A bail is a small, ornamental piece of metal attached to the top of a pendant, charm, or other piece of jewelry. It provides a loop through which a chain or other necklace can be passed, allowing the jewelry to be worn around the neck.
Banded Opal: Banded opal is a type of opal that contains bands or layers of different colours. It is found in a number of locations, including Lightning Ridge in New South Wales, Coober Pedy in South Australia, and Mintabie in South Australia.
Bandfire Opal: Bandfire opal is a type of opal that contains bands or layers of different colours. It is found in a number of locations, including Lightning Ridge in New South Wales, Coober Pedy in South Australia, and Mintabie in South Australia.
Bangle/Bangle Bracelet: A bangle is a type of bracelet that is made from a solid piece of metal or other material. Bangles are often worn in pairs or sets, and are often decorated with gemstones, engravings, or other embellishments.
Baroque Pearl: A baroque pearl is a natural pearl that has an irregular shape. Baroque pearls are often used in costume jewelry and are less expensive than more regular-shaped pearls.
Barrel Clasp: A barrel clasp is a type of clasp used to secure bracelets and necklaces. It consists of two halves that screw or twist together. Barrel clasps are often used on beaded bracelets and necklaces, as they allow for easy opening and closing.
Basalt:Basalt is a type of igneous rock that is formed from the cooling and solidification of lava or magma. It is typically black or dark in color and has a composition that is similar to gabbro. Basalt is widely used in construction and as a paving material.
Base Metal: Base metals are metals that are not precious metals, such as gold or silver. Base metals are often used in costume jewelry and can include metals such as brass, copper, nickel, and tin.
Bead Chain: A bead chain is a type of chain made up of small beads strung together. Bead chains can be made from a variety of materials, including metal, glass, and plastic. They are often used in necklaces and bracelets.
Bead Setting: A bead setting is a type of setting used for gemstones or other beads. In a bead setting, the beads are held in place by prongs or other types of settings. Bead settings can be used for both loose beads and strung beads.
Beaded jewellery or beadwork:Beaded jewellery or beadwork is a type of jewellery that is made using beads. The beads can be made from a variety of materials, including glass, metal, stone, wood, and plastic. Beaded jewellery is often created using a needle and thread, and can be strung on a variety of different materials, such as string, wire, or cord. Beaded jewellery can be simple or complex, and can be used to create a variety of different pieces, including necklaces, bracelets, earrings, and rings.
Belemnite Opal:Belemnite opal is a type of opal that contains the fossilized remains of belemnites, which are an extinct group of cephalopods. Belemnite opal is typically black or dark in color and has a waxy luster. It is found in Australia, Madagascar, and the United States.
Beryl:Beryl is a mineral that is found in a variety of colours, including green ( emerald), blue (aquamarine), pink (morganite), yellow (heliodor), and white (beryl). It has a Mohs hardness of 7.5-8 and a specific gravity of 2.67-2.78. Beryl is often used in jewellery making, as it is durable and has a high refractive index, which gives it a brilliant lustre.
Beveled edge:A beveled edge is an angled edge on a piece of material. Beveled edges are often used on mirrors and glass to give them a decorative finish. They can also be used on metal and wood to create sharp edges for cutting or carving. Beveled edges can be created using a variety of methods, including grinding, sanding, filing, or chiselling.
Bezel (Watch):A watch bezel is the ring that surrounds the watch crystal (the glass face of the watch). The bezel can be made from a variety of materials, including metal, plastic, or even diamond-encrusted gold. The purpose of the bezel is to protect the watch crystal from scratches or other damage. Some bezels are also rotateable and can be used to track time or measure distance travelled.
Bezel Setting:A bezel setting is a type of setting where the gemstone is held in place by a metal rim that surrounds it. The rim can either be flush with the top of the gemstone (flush set) or raised above it (raised set). Bezel settings provide extra protection for the gemstone as they help to prevent it from being knocked out of place or scratched.
Birthstone:A birthstone is a gemstone that is associated with the month in which someone was born. Each month has its own birthstone; for example, January's birthstone is garnet and February's birthstone is amethyst . Birthstones are often worn as jewellery , such as rings , necklaces , and earrings .
Black Diamonds:A black diamond is a type of diamond that has been subjected to intense pressure and heat, resulting in a dark colour. Black diamonds are also known as carbonado diamonds. They are found in Brazil, Venezuela and the United States.
Black Hills Gold:Black Hills gold is a type of gold that is mined in the Black Hills region of South Dakota. The gold is found in quartz veins and is believed to be formed by the metamorphism of preexisting rocks. The gold is typically found in nuggets or flakes, and is used in jewelry making.
Black Onyx:Black onyx is a type of semiprecious stone that is often used in jewelry making. It is a variety of the mineral chalcedony, and its colour ranges from black to very dark brown. Black onyx has a Mohs hardness of 7 and a specific gravity of 2.65-2.67.
Black Opal:Black opal is a type of opal that has a dark body color. The darkness of the body color is caused by the presence of iron oxide in the stone. Black opals are found in Australia, Ethiopia, and Peru. They are typically cut into cabochons or used in intaglio jewelry.
Black Opal Body Tone:The body tone of a black opal refers to the overall darkness of the stone. The body tone can range from N1 (very dark) to N5 (light). Black opals with a darker body tone are more valuable than those with a lighter body tone.
Bleaching:Bleaching is a process that is used to lighten or remove colour from gemstones. It is often used to improve the colour of an opal that has been damaged by sunlight or heat. Bleaching can also be used to remove unwanted colours from an opal, such as iron stains.
Blemish:A blemish is a small imperfection on the surface of a gemstone. Blemishes can be caused by a number of factors, including natural wear and tear, damage during cutting or polishing, or inclusion of foreign materials during the formation of the gemstone. Blemishes can affect the value of a gemstone, but they can also be removed through polishing or other treatments.
Blood diamonds or conflict diamonds:Blood diamonds, also known as conflict diamonds, are diamonds that have been mined in areas controlled by rebel groups who use the proceeds from diamond sales to finance their war efforts against legitimate governments. Blood diamonds are often sold through illicit channels and are difficult to trace back to their source. The United Nations has established certification programs to help ensure that blood diamonds do not enter the global diamond market.
Blue Diamonds: Blue diamonds are extremely rare type of diamond that gets its blue colour from traces of boron atoms within the crystal structure of the stone. Natural blue diamonds are extremely rare, and most blue diamonds on the market have been artificially treated to enhance their colour. Blue diamonds typically have a Mohs hardness of 10 and a specific gravity of 3.52-3.57
Blue Opal:A blue opal is a type of opal with a blue body tone. Blue opals are very rare and are only found in a few places in the world, including Lightning Ridge in New South Wales, Australia.
Blue Sapphire: A blue sapphire is a type of sapphire that is blue in color. The most common color of sapphire is blue, but it can also be found in other colors such as white, yellow, orange, and pink. Sapphires are typically found in metamorphic rocks such as gneiss and schist.
Blue Topaz: Blue topaz is a type of topaz that is blue in color. The most common color of topaz is yellow, but it can also be found in other colors such as blue, pink, and green. Topaz is typically found in igneous rocks such as granite and rhyolite.
Body Tone or Body Colour:The body tone or body colour of an opal is the overall colour of the gemstone. The body tone can range from light colours such as white and pale pink, to dark colours such as black and dark red. The body colour is caused by the presence of different minerals in the opal, and can be affected by the way the gemstone is cut and polished.
Bolo Bracelet: A bolo bracelet is a type of bracelet that has a bolo clasp. Bolo bracelets are usually made of metal or leather and have a variety of different designs.
Bolo Clasp: A bolo clasp is a type of clasp that is used to secure a bolo bracelet or necklace. Bolo clasps are usually made of metal or plastic and have a variety of different designs.
Bolt Clasp or Bolt Ring: A bolt clasp or bolt ring is a type of clasp that is used to secure a piece of jewelry such as a necklace or bracelet. Bolt clasps are usually made of metal or plastic and have a variety of different designs.
Bonding:Bonding is a process that is used to attach an opal to a backing material. Bonding is usually done using a clear adhesive material, which allows light to pass through the opal and creates the illusion that the gemstone is floating on the surface of the backing material.
Bone Opal:Bone opal is a type of opal that forms in sedimentary rock. It is typically found in areas with high concentrations of silica, such as in Australia. Bone opals can have a wide range of colors, from white to black, and often have a mottled or banded appearance.
Boulder Opal:Boulder opal is a type of opal that forms in sedimentary rock. It is typically found in areas with high concentrations of silica, such as in Australia. Boulder opals can have a wide range of colors, from white to black, and often have a mottled or banded appearance.
Box Chain: A box chain is a type of chain that has small rectangular links that are connected together to form a chain. Box chains are usually made of gold or silver and are used to make necklaces, bracelets, and other pieces of jewelry.
Box Clasp: A box clasp is a type of fastener used to secure two ends of a piece of jewelry, such as a bracelet or necklace. The clasp consists of two parts: a box-shaped housing that holds the end of the jewelry, and a hinged lid that fits over the box. The lid is usually secured with a latch or snap closure. Box clasps are often decorated with gemstones or other ornamental details.
Bracelet: A bracelet is a piece of jewelry that is worn around the wrist. Bracelets can be made from a variety of materials, including metal, leather, cloth, beads, and gemstones. They are often decorated with charms, beads, or other ornamental details. Bracelets are typically fastened with a clasp or hook-and-eye closure.
Brass: Brass is an alloy of copper and zinc. It is used in a variety of applications, including jewelry making. Brass has a yellowish color and can be polished to a bright shine. It is also resistant to tarnishing.
Bridal Set: A bridal set is a matching set of jewelry that includes a engagement ring and wedding band. The set is usually designed to coordinate with the bride's wedding dress and other accessories.
Bright Polish: Bright polish is a type of finish applied to metals that gives them a high degree of shine and luster. Bright polish is achieved by buffing the metal with a polishing compound and then applying a protective coating.
Brightness: Brightness refers to the amount of light that reflects off of a surface. In terms of diamonds, brightness is determined by the quality of the cut and the clarity of the stone. A diamond with good brightness will appear lively and sparkle brightly in sunlight or artificial light.
Brilliance: Brilliance refers to the amount of light that reflects off of the surface of a diamond. Brilliance is determined by the quality of the cut and the clarity of the stone. A diamond with good brilliance will appear lively and sparkle brightly in sunlight or artificial light
Brilliance/Brightness:The brilliance of an opal is a measure of how much light it reflects. The brightness is a measure of how intense the light reflection is. Both factors are affected by the size and shape of the gemstone, as well as the type of opal.
Brilliant cut: A brilliant cut is a type of diamond cut that features a round shape with 58 facets. It is the most popular type of diamond cut, and is often used in engagement rings.
Briolette: A briolette is a type of gemstone cut that features a pear-shaped or tear-drop-shaped outline. It is typically used for diamonds, but can also be used for other types of gemstones.
Bronze: Bronze is an alloy of copper and tin, and is often used for making jewelry. It has a golden color, and is known for its durability.
A brooch is a decorative jewelry piece that is typically pinned to clothing. It can be made from a variety of materials, including metal, stone, or glass.
A brushed finish is a type of finish that is applied to metals and other materials. It is created by using a brush to create a textured surface.
A buckle clasp is a type of closure that is used to fasten two pieces of material together. It consists of a buckle that is attached to one side of the material and a loop that is attached to the other side.
Bulova is a brand name for a line of watches and other jewelry products. The company was founded in 1875 by Joseph Bulova, and it has since become one of the most well-known names in the industry.
Button earrings are a type of earring that fastens through the use of a button on the back of the earlobe. They are typically made from metal or plastic and can be decorated with stones, beads, or other materials.
Button pearls are a type of pearl that has been drilled through the center so that it can be strung on a piece of thread or wire. They are typically small in size and have a round shape.
Bypass ring: A bypass ring is a type of ring that consists of two separate bands of metal that are joined together by a small bridge or bar. The two bands may be of different widths, and the bridge can be positioned in the center or off to one side. Bypass rings are often used as engagement rings or promise rings, as they symbolize the connection between two people.
Cable chain: A cable chain is a type of chain that consists of small, interlocking links. Cable chains are very strong and durable, making them ideal for use in jewelry. They are also relatively easy to repair if they become damaged.
Cabochon: A cabochon is a type of gemstone that has been cut into a rounded, domed shape with a flat bottom. Cabochons are usually made from opaque stones such as turquoise, opal, and jasper.
Cabochon gemstone: A cabochon gemstone is a type of gemstone that has been cut into a rounded, domed shape with a flat bottom. Cabochons are usually made from opaque stones such as turquoise, opal, and jasper.
Cachalong:Cachalong is an Australian term for a type of opal that has a dark body color with bright flashes of color. It is typically found in areas with high concentrations of silica, such as in Australia.
Cachalong Opal:A cachalong opal is a type of opal found in the Cachalong area of Brazil. It is a relatively new find, with the first stones being discovered in the early 2000s. The opal is typically a milky white or pale blue in color, with a pearly luster. It is often used in jewelry and is considered to be a good investment stone.
Cameo: A cameo is a type of jewelry that features a relief carving of a person or scene. Cameos can be made from many different materials, but most commonly they are made from stone or shell.
Cantera:Cantera is a type of volcanic rock that is found in the Canary Islands. It is black or dark brown in color and has a glassy or shiny appearance. The rock is used in construction and landscaping, as well as for making jewelry and other decorative items.
Carat (CT.): A unit of weight for diamonds and other precious stones. One carat is equal to 200 milligrams.
Carats and karats: gold: A unit of measurement for the purity of gold. 24 karats is pure gold, while 14 karats is 58.3% pure gold.
Carats: gemstones: A unit of weight for diamonds and other precious stones. One carat is equal to 200 milligrams.
Carbon Fiber: A type of strong, lightweight fiber made from carbon atoms. Carbon fiber is used in many high-tech products, including aircraft parts, racing cars, and bicycles.
Carnelian: A red or orange variety of chalcedony, a type of quartz. Carnelian is often used in jewelry and was popular in ancient times.
Cat's Eye: A type of gemstone with a band of light that appears to move when the stone is moved. Cat's eye gemstones are usually made from chrysoberyl or quartz.
Cat's Eye: A type of gemstone with a band of light that appears to move when the stone is moved. Cat's eye gemstones are usually made from chrysoberyl or quartz.
Cat's Eye: A type of gemstone with a band of light that appears to move when the stone is moved. Cat's eye gemstones are usually made from chrysoberyl or quartz.
Cathedral Setting: A type of jewelry setting in which the center stone is raised above the band and surrounded by metal arches. Cathedral settings are often used for engagement rings.
avity: A cavity is a small hole or space in something.
Ceramic: Ceramic is a hard, brittle material made from non-metallic elements such as carbon, silicon, and oxygen.
Ceraunium Opal:A ceraunium opal is a type of opal that contains ceraunium, an element that gives the stone its unique coloration. The stone can be any color from white to black, but is most commonly found in shades of blue and green. Ceraunium opals are relatively rare and are prized by collectors.
Certification: Certification is the process of verifying that a product or service meets certain standards.
Chain necklace: A chain necklace is a necklace that consists of a chain with a pendant or other decoration attached to it.
Chalcedony: Chalcedony is a type of quartz that has a milky or waxy appearance. It can be found in a variety of colors, but the most common are blue and white.
Champagne Diamond: A champagne diamond is a type of diamond that has a yellowish or brownish color. These diamonds are often used in jewelry because of their unique color.
Chandelier Earrings: Chandelier earrings are earrings that consist of a long chain with a pendant or other decoration attached to the bottom. They are often worn by women with long hair so that the earrings do not get tangled in the hair.
Chandelier jewellery: Chandelier jewellery is jewelry that consists of a long chain with a pendant or other decoration attached to the bottom. It is often worn by women with long hair so that the jewelry does not get tangled in the hair.
Channel setting:A channel setting is a type of jewelry setting in which stones are set into a channel that has been carved or cut into the metal. The channel can be either straight or curved, and the stones are usually set flush with the metal surface. Channel settings are often used for gemstone rings, bracelets, and necklaces.
Charm:A charm is a small, decorative item that can be worn on a bracelet, necklace, or other piece of jewelry. Charms are often symbolic or meaningful to the wearer, and they can represent anything from a person's interests or hobbies to important life events. Charm bracelets are particularly popular, and many people collect charms over time to create a unique and personal piece of jewelry.
Charm bracelet:A charm bracelet is a type of bracelet that is designed to hold charms. Charm bracelets can be made of many different materials, including metals such as gold and silver, and they often have clasps or other closures to keep the charms in place. Charm bracelets are popular gifts for young girls and women of all ages, and they provide a way to commemorate special occasions or moments in one's life.
Cherry Opal:A cherry opal is a type of opal that has a red or pink body color. The stone gets its name from its resemblance to a ripe cherry. Cherry opals are relatively rare and are prized for their beauty.
Chinese Writing Opals:Chinese writing opals are a type of opal that contains Chinese characters within the stone. These stones are very rare and are highly prized by collectors.
Chloropal:Chloropal is a type ofopal that contains chlorite, an element that gives the stone its unique coloration. The stone can be any color from white to black, but is most commonly found in shades of green and blue. Chloropals are relatively rare and are prized by collectors
Choker: A choker is a close-fitting necklace worn around the neck. Chokers can be made of many different materials including metals such as gold and silver, beads, gemsstones, leather, cloth, plastic ,and more .They also come in many different styles ranging from simple bands to more elaborate designs . Chokers were very popular during the 1990s ,and have experienced something of a resurgence in recent years .
Choker Necklace: A choker necklace is a necklace that sits close to the neck, typically made of metal, cloth, or other materials.
Chrome Diopside: Chrome diopside is a green gemstone that is found in a number of different locations around the world. It is most commonly used in jewelry and is known for its beautiful green color.
Chronograph Subdials: Chronograph subdials are small dials on a watch that keep track of time. They are typically used for timing events or measuring elapsed time.
Chrysoberyl: Chrysoberyl is a yellow-green to brownish-green gemstone that is found in a number of different locations around the world. It is most commonly used in jewelry and is known for its beautiful color.
Chrysopal:Chrysopal is a type of opal that has a bright, translucent appearance. It is found in a variety of colors, including white, blue, and green. Chrysopal is often used in jewelry and other decorative items.
Citrine: Citrine is a yellow to orange gemstone that is found in a number of different locations around the world. It is most commonly used in jewelry and is known for its beautiful color.
Claddagh: The Claddagh is an Irish symbol that represents love, friendship, and loyalty. It consists of two hands holding a heart with a crown on top.
Clarity: Clarity refers to the clarity of a diamond or other gemstone. It is judged on a scale from included to flawless, with included being the lowest quality and flawless being the highest quality.
Claro Opal:Claro opal is a type of opal that has a clear or translucent body color with an intense play-of-color. It is found in a variety of colors, including white, blue, and green. Claro opal is often used in jewelry and other decorative items.
Classification:The classification of opals is based on their physical characteristics, such as body color, transparency, and play-of-color. The most common types of opals are white opal, black opal, fire opal, and boulder opal.
Claw Clasp: A type of jewelry clasp that uses a series of metal claws or prongs to secure the piece in place.
Claw or prong setting: A type of jewelry setting that uses a series of metal claws or prongs to secure the stone or stones in place.
Cluster setting: A type of jewelry setting in which a group of stones are set close together, often in a circular or floral pattern.
Composite/Clustre Setting: A type of jewelry setting in which a group of stones are set close together, often in a circular or floral pattern.
Coating:A coating is a thin layer of material that is applied to the surface of an object. Coatings can be applied for a variety of purposes, such as to protect the object from wear or to improve its appearance. Common types of coatings used on opals include waxes and oils.
Cobalt: A blue-grey metallic element that is often used as an alloying agent for steel and other metals. It is also used in the production of glass and ceramic colors.
Cocktail ring: A cocktail ring is a type of ring that is designed to be worn at cocktail parties. They are usually large and flashy, with a lot of sparkle and bling.
Colour Patches:Color patches are areas of color that are different from the surrounding area. They can be caused by a variety of factors, including impurities in the stone or the way the stone has been cut. Color patches are often seen in opals that have been cut into cabochons (rounded gems).
Colourless: Colourless diamonds are those that do not have any colour. They are the most common type of diamond, and are often used in engagement rings.
Common Opal:Common opal is a type of opal that has a milky or opaque body color with little or no play-of-color. It is found in a variety of colors, including white, black, and gray. Common opal is often used in jewelry and other decorative items.
Composite Products:A composite product is a product that is made up of two or more different materials. The most common type of composite product is a composite material, which is made up of two or more different materials that are bonded together.
Conflict Diamonds: Conflict diamonds are those that have been mined in areas of conflict, such as war zones. They are often sold to finance rebel groups or other illegal activities.
Conglomerate:A conglomerate is a company that owns and operates a number of different businesses. The businesses that make up a conglomerate can be in different industries and have different products and services.
Contra Luz Opal:Contra Luz Opal is a type of opal that has a light background with dark veins running through it. This type of opal is found in Australia and Brazil.
Coober Pedy Opal:Coober Pedy Opal is a type of opal that is found in the Coober Pedy region of Australia. This type of opal has a white or light-colored background with dark veins running through it.
Copper: Copper is a mineral that is often used in jewellery. It has a reddish-brown colour, and is known for its high conductivity.
Corundum:Corundum is a crystalline form of aluminium oxide (Al2O3) and is the second hardest natural mineral after diamond. It includes all natural gemstones that are transparent and have any colour other than red, which are classified as ruby. Sapphires can be any colour except red, with blue being the most popular and valuable colour. Other colours include yellow, green, orange, pink, purple and white. Corundum is found in metamorphic rocks such as gneiss and schist. It is also found in alluvial deposits where it has been eroded from metamorphic rocks and transported by rivers.
Costume jewellery or fashion jewellery:Costume jewellery or fashion jewellery is jewelry that is worn for style or fashion purposes. It is often made from cheaper materials such as metals, plastics, glass or beads, and may be plated with gold, silver or other metals. Costume jewellery can be found in a variety of places, including department stores, boutiques, online stores and thrift stores.
Crimp bead:A crimp bead is a small metal or plastic bead that is used to secure a piece of jewelry findings (such as a clasp) to the end of a beading wire. Crimp beads come in many different sizes to accommodate different thicknesses of beading wire. They are also available in different shapes (round, oval, tube), which affects the way they grip the beading wire. To use a crimp bead, the beading wire is passed through the bead and then back on itself so that the ends of the wire are flush with each other. The crimp bead is then squeezed flat with pliers to secure it in place.
Crown (Diamond or Gemstone):A crown is the upper part of a diamond or gemstone that extends above the girdle (the widest part of the stone). The height of the crown relative to the diameter of the stone is known as the crown angle, which affects the stone's brightness and dispersion (the ability to split white light into its component colours). A well-cut crown will result in a bright and sparkly stone.
Crown (Watch):The crown is a knob on a watch that is used to set the time and date. It is usually located on the right side of the watch case at 3 o'clock position. The crown can also be used to wind the watch if it has an automatic movement (a type of watch movement that winds itself using energy from your body movements). To set the time, you pull out the crown to its first position and turn it clockwise or counterclockwise until you reach the desired time; to set the date, you pull out the crown to its second position and turn it forward or backward until you reach desired date; finally, to wind your watch if it has an automatic movement , you simply rotate clockwise until you feel resistance .
Crystal: A crystal or crystalline solid is a material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macroscopic single crystals are usually identifiable by their geometrical shape, consisting of flat faces with specific, characteristic orientations. The scientific study of crystals and crystal formation is known as crystallography.
A crystal watch is a type of watch that uses a thin piece of quartz crystal to keep track of time. Quartz crystal is piezoelectric, meaning that it produces a small electrical charge when it is compressed or bent. This electrical charge can be used to power a tiny motor that keeps the watch's hands moving.Crystal watches are more accurate than mechanical watches, which use a system of gears and springs to keep track of time. They are also more resistant to shock and vibration, making them ideal for sports and other activities. However, they are not as durable as mechanical watches and can be damaged if they are dropped or hit too hard.
Crystal Opal:Crystal Opal is a type of opal that has a clear or translucent body with color play within it. This type of opal is found in Australia, Brazil, Ethiopia, and Honduras.
Cubic Zirconia (CZ): Cubic zirconia is a synthetic gemstone that resembles diamond. It is colorless, hard, and flawless. Unlike diamonds, cubic zirconia is not expensive and is not used in jewelry.
Cuff: A cuff is a band of fabric or leather that encircles the wrist or lower arm. It may be worn for decoration or to keep clothing in place.
Cuff Links: Cuff links are ornamental fasteners worn by men to secure the cuffs of their dress shirts. They are typically made of metal and feature a decorative design on the front.
Culet: The culet is the small facet at the bottom point of a cut gemstone. It protects the tip of the stone from damage and helps to prevent chipping.
Cultured:The term "cultured" is used to describe a person who is refined and well-educated. A cultured person is someone who has a deep appreciation for the arts, literature, and music. They are also usually knowledgeable about history and world affairs.
Cultured Pearl: A cultured pearl is a pearl that is created by humans, rather than formed naturally in the wild. Cultured pearls are usually grown in freshwater or saltwater environments and are often used in jewelry.
Cultured Pearl: A cultured pearl is a pearl that is created by humans, rather than formed naturally in the wild. Cultured pearls are usually grown in freshwater or saltwater environments and are often used in jewelry.
Curb Link Chain: A curb link chain is a type of chain that consists of links that are all connected to each other in a continuous loop. The links are typically oval or rectangular in shape, and the chain is often used for necklaces and bracelets.
Cushion_Cut: A cushion_cut gemstone is a type of cut that features rounded corners and a large central facet. This type of cut is often used for diamonds and other precious stones.
Cut: In gemology, the term "cut" refers to the way in which a stone has been shaped and polished. There are many different types of cuts, including round, brilliant, emerald, marquise, and pear.
Cutting:The act of cutting is the process of using a sharp object to remove material from a piece of work. The term can refer to both the physical act of cutting, as well as the resulting cut surface. Cutting is often used as a finishing step in manufacturing processes, but it can also be used for other purposes such as shaping, enlarging, or removing material.
Dangle Earrings: Dangle earrings are earrings that hang down from the earlobe, rather than being attached directly to the earlobe. Dangle earrings can be made from a variety of materials, including metals, gems, and beads.
Dark Opal:Dark opal is a type of opal that has a dark body color. It is one of the four main types of opal, along with white opal, black opal, and boulder opal. Dark opals are found in many parts of the world, but most come from Australia. These gemstones are prized for their unique colors and patterns.
Dendritic Opal: Dendritic opal is a type of opal that contains dendrites, which are tree-like inclusions. The dendrites can be made up of different minerals, such as manganese or iron. Dendritic opal is usually found in sedimentary rocks, and is often used as a gemstone.
Deployment Clasp: A deployment clasp is a type of clasp that is used to secure jewelry, watches, and other items. The clasp consists of two parts that snap together to close the item.
Design Your Own: A feature on some watch faces that allows the user to select and arrange different elements (e.g. complications, background image, etc.) to create a unique look.
Dial: The face of a watch that typically displays the time and may also include other information such as the date, day of the week, or power reserve.
Diamond: A precious stone made of carbon that is cut and polished for use in jewellery. Diamonds are known for their hardness and durability, as well as their sparkling appearance.
Diamond Clarity: The degree to which a diamond is free from blemishes or inclusions. Diamonds with fewer blemishes or inclusions are considered to be more rare and therefore more valuable.
Diamond Colour: The degree to which a diamond is free from colouration. Diamonds that are less coloured are more rare and therefore more valuable.
Diamond Cut: The way in which a diamond has been cut and polished. The cut of a diamond can affect its sparkle, fire, and overall appearance.
Diamond Dial:A diamond dial is a type of watch face that features diamonds instead of traditional hour markers. Diamonds are set into the dial at the 12, 3, 6, and 9 o'clock positions, and often other points around the perimeter as well. This type of dial can add a touch of luxury to any watch, and is especially popular with women's watches.
Diamond Table:The diamond table is the large flat facet on the top of a diamond. It is usually cut in a square or rectangular shape, and is what gives a diamond its brilliant sparkle. The size of the table relative to the rest of the diamond can have a big impact on its overall appearance. A small table will make the diamond look darker, while a large table will make it look lighter.
Diamond Total Weight:The total weight of a diamond is simply the sum of all its individual weights (carat weight + cut weight + color weight + clarity weight). This number is used to determine the value of a diamond, as well as how rare it is. The higher the total weight, the more valuable and rare the diamond will be.
Diamond Weight:The weight of a diamond is measured in carats (ct). One carat equals 0.2 grams (g), or 200 milligrams (mg). The carat weight is not to be confused with the total weight (see above), which includes all aspects of the diamond's quality. A one carat diamond may have a different total weight than another one carat diamond due to differences in quality (cut, color, clarity, etc.).
Diamond-Cut Finish:A diamond-cut finish is a type of surface finish that uses diamonds to create a desired effect. Diamond-cut finishes can be used on metals, plastics, glass, and even concrete. They are often used to create a high-gloss finish on surfaces that would otherwise be difficult to polish to such a shine. Diamond-cut finishes are also used for decorative purposes, such as creating patterns or shapes on surfaces.
Diaphaneity: Diaphaneity is the property of a material that allows light to pass through it. Materials that are transparent, translucent, or opaque have different degrees of diaphaneity.
Diatomite: Diatomite is a sedimentary rock made up of the fossilized remains of diatoms, which are single-celled algae. It has a high silica content, and is used in a variety of industrial and commercial applications.
Diffusion Treatment: Diffusion treatment is process used to improve the properties of materials by diffusing atoms or molecules into them . This process can be used to harden metals , change their color , or make them more corrosion resistant . It can also be used to improve semiconductors and optical fibers . Diffusion treatment involves heating materials in an atmosphere containing atoms or molecules that will become incorporated into them .
Dispersion : Dispersion is defined as "the splitting up of white light into its component colors ." It occurs when light waves pass through certain materials , such as prisms and raindrops . When this happens , each wavelength bends at a different angle , causing them to spread out from each other . This spreading out creates what we see as spectral colors .
Doublet: A doublet is a type of gemstone composed of two parts glued together. The lower part is usually made of a cheaper, less desirable material, while the top part is made of a more expensive, more desirable material. Doublets are often used to imitate more expensive gemstones, such as diamonds.
Drop earrings: Drop earrings are earrings that hang down from the earlobe. They can be made from a variety of materials, including metals, gems, and beads. Drop earrings are often decorated with charms or other embellishments.
Durability: Durability is the ability of a material to withstand wear and tear over time. Materials that are durable can be used for a long time without showing signs of wear and tear.
Dye treatment, dyeing: Dye treatment, dyeing is the process of adding color to a material using dyes. Dyeing can be used to change the color of a fabric, leather, or wood. It can also be used to add patterns or designs to a material.
Dyeing: Dyeing is the process of adding color to fabric or other materials using dyes. Dyeing can be done by hand or using machines. Different techniques can produce different effects, and there are many different types of dyes available.
Earring back, scroll or nut: An earring back, scroll or nut is a small piece of metal that attaches an earring to the earlobe. Earring backs come in a variety of shapes and sizes. Some are simple discs or cylinders, while others are more ornate.
Earwire: An earwire is a type of earring that hooks into the piercing in the earlobe. Earwires can be made from a variety of materials, including metals and plastics. They come in a variety of styles, from simple hoops to more elaborate designs.
Embedded: Embedded means that something is enclosed or surrounded by something else. For example, a rock may be embedded in soil, or a jewel may be embedded in a setting.
Emerald: Emerald is a type of green gemstone that is part of the beryl family. Emeralds are found in many different countries around the world, including Colombia, Brazil, and Zambia. Emeralds range in color from light green to dark green. The most valuable emeralds are those with intense saturation and hue.
Emerald cut: The emerald cut is a type of diamond cut that is rectangular in shape with truncated corners. It is often used for emeralds and other green gemstones. The emerald cut can also be used for diamonds and other white gemstones
Enamel Finish:A enamel finish is a type of coating that is applied to metal jewelry in order to give it a smooth, glossy appearance. This finish can be applied to both gold and silver jewelry, and is often used on engagement rings and other special pieces. The enamel finish is also sometimes used on costume jewelry, as it can give even inexpensive pieces a high-end look.
Enamelled jewellery:Enamelled jewellery is jewellery that has been coated with a layer of enamel. Enamel is a type of glass that is melted and then applied to the surface of the metal. It is then cooled and hardened, creating a smooth and glossy finish.
Engagement ring:An engagement ring is a ring that is given to someone as a symbol of their engagement to be married. The ring is usually made of gold or silver, and may have diamonds or other precious stones set into it.
Engravable:Engravable means that something can be engraved with words or images. Engraving is the process of carving words or images into a hard surface using a sharp tool. Engravable items are often made of metal, such as brass or stainless steel.
Engraving:Engraving is the process of carving words or images into a hard surface using a sharp tool. The engraver first marks out the design on the surface of the metal, and then uses a chisel or burin to cut into the metal along the lines of the design. The depth and width of the lines can be varied to create different effects.
Ensemble:An ensemble is a matching set of clothing, usually including a jacket, trousers, skirt, or dress. Ensembles are often made in coordinating colours or patterns, and can be accessorised with matching jewellery and shoes.
Etching: Etching is an intaglio printmaking technique in which lines are incised into a metal plate with an acid-resistant substance, and the plate is then inked and printed. The resulting image has raised lines which create texture and contrast against the background.
Eternity band: An eternity band is a type of ring that has diamonds or other precious stones set all around it. Eternity bands are often given as gifts to mark special occasions such as anniversaries or births, as they symbolise everlasting love and commitment.
Ethiopian Opal: Ethiopian opal is a type of opal found in Ethiopia. It typically has a bright play-of-color, and is often used in jewelry.
An expansion bracelet is a type of bracelet that can be adjusted to fit a range of wrist sizes. It typically has a series of links that can be added or removed to adjust the length of the bracelet.
An extended service plan (ESP) is a type of insurance that covers the cost of repairs or replacement for a product beyond the manufacturer's warranty period.
An extender is a device that is used to extend the reach of something, such as a signal, an electrical connection, or data storage.
Extinction is the process or event by which a species or other taxonomic group ceases to exist.
Face: The flat, polished surface of a gemstone that is used for viewing its beauty.
A faceted gem is a gemstone that has been cut into a specific shape and then polished to create a smooth, reflective surface. The most common shapes for faceted gems are round, oval, square, and rectangular.
Facets are the flat surfaces on a gemstone that have been cut and polished. They are usually cut at specific angles in order to create maximum reflectivity and brilliance.
Facetted: A method of cutting and polishing a gemstone to create a series of flat surfaces, or facets, that reflect light and create the illusion of greater depth and dimension.
A facetted gemstone is a gemstone that has been cut into a specific shape and then polished to create a smooth, reflective surface. The most common shapes for facetted gems are round, oval, square, and rectangular.
Fancy Cut: A fancy cut is a type of diamond cut that is used to create a unique shape or design. These cuts are often used to create a more intricate look, and can be used to add extra sparkle and brilliance to a diamond.
Feather: A feather is a small, thin piece of material that is used to decorate clothing or other items. Feathers can be made from a variety of materials, including feathers, down, and quills.
Federal Trade Commission (FTC): The Federal Trade Commission is an independent agency of the United States government that is responsible for protecting consumers from unfair or deceptive business practices.
Figaro Link Chain: A Figaro link chain is a type of chain that consists of alternating large and small links. This type of chain is often used for necklaces and bracelets, and can be made from a variety of materials, including gold, silver, and platinum.
Filigree: Filigree is a type of jewelry that features intricate designs made from thin pieces of metal. Filigree jewelry is often very delicate and can be made from a variety of metals, including gold, silver, and copper.
Filling: A filling is a material that is used to fill in gaps or spaces in teeth. Fillings can be made from a variety of materials, including gold, silver, composite resin, and porcelain.
Findings: Findings are the small components that are used to create jewelry pieces. Findings can include clasps, earwires, jump rings, and bails.
Fine jewellery:Fine jewellery is a term used to describe jewellery that is made from high quality materials and is of a high craftsmanship. Fine jewellery is usually more expensive than costume jewellery or mass-produced jewellery.
Fine silver:Fine silver is a type of silver that contains at least 99.9% pure silver. It is the highest quality of silver available and is often used for making high-end jewellery and other decorative items.
Fineness:The fineness of a metal refers to the purity of the metal. The higher the fineness, the purer the metal. For example, gold with a fineness of 24 karats is purer than gold with a fineness of 18 karats.
Fingerprint:A fingerprint is an impression left by the ridges on the surface of a finger. Fingerprints are unique to each individual and can be used for identification purposes.
Fire Opal: A type of opal that exhibits a play-of-color against a background color of yellow, orange, or red.
A fissure is a crack or split in a rock, bone, or other material. Fissures are often caused by stress or pressure.
A flame opal is a type of opal that has a bright, fiery red color. Flame opals are very rare and are found only in a few places in the world.
A flash opal is a type of opal that has a very bright, iridescent color. Flash opals are very rare and are found only in a few places in the world.
A flashfire opal is a type of opal that has a bright, fiery red color with an iridescent sheen. Flashfire opals are very rare and are found only in a few places in the world.
Flat Link Chain:A flat link chain is a type of chain that consists of flat, interlocking links. Flat link chains are often used in necklaces and bracelets, and can be made from different metals, including gold and silver.
Flawless: Flawless means without any blemishes or imperfections. In terms of diamonds, a flawless diamond is one that has no inclusions or blemishes when viewed under 10x magnification.
Florentine Finish: A Florentine finish is a type of textured finish that is produced by using a tool to create small, evenly spaced grooves in the surface of the metal. The resulting finish has a very distinctive appearance that is often used for decorative purposes.
Fluid is a substance that flows freely, like water or oil. Fluids can be either liquids or gases.
Fluid Inclusion: A fluid inclusion is a small pocket of fluid (usually water) that is trapped within a mineral crystal. These inclusions can provide important information about the conditions under which the crystal formed.
Fluorescence: Fluorescence is the property of some materials to emit light when exposed to ultraviolet (UV) radiation. This emission of light is usually of a different color than the original light, and it only lasts for a short time before the material returns to its original state.
Flush Setting: A flush setting is a type of setting in which the gemstone is set flush with the surface of the metal. This type of setting can be used for both functional and aesthetic purposes.
Fluted Crown: A fluted crown is a type of crown that has been decorated with fluting, which are small, evenly spaced grooves. Fluted crowns are often used for decorative purposes, but they can also serve a functional purpose by helping to reduce weight or increase strength.
Fluting: Fluting is a type of decoration that consists of small, evenly spaced grooves. It can be used for both aesthetic and functional purposes, and it is often found on architectural elements such as columns and pilasters.
Fob: A fob is a small ornament or piece of jewelry that is worn on a chain or ribbon around the neck. Fobs were originally used to hold keys, but they now serve primarily as decorative items.
A fossil opal is an opal that has been formed from the fossilized remains of plants or animals. Fossil opals are very rare and are found only in a few places in the world.
Four Cs:The Four Cs are the characteristics used to assess the quality of a diamond. They are carat, clarity, colour, and cut.
Foxtail Chain:A foxtail chain is a type of chain made up of small links that resemble the tail of a fox. It is a very strong chain and is often used in jewellery that is meant to be worn everyday.
Fracture:A fracture is a break or crack in a piece of jewellery. It can happen due to wear and tear, or if the jewellery is dropped or hit against something hard.
Fracture Filling:A fracture filling is a type of repair that is used to fill in cracks or fractures in gemstones. The most common type of fracture filling is called opal doublet, which consists of a thin layer of opal glued to a black backing. Other types of fracture fillings include glass, plastic, and resin.
Freeform Opal:Freeform opal is a type of opal that has been cut into a shape that is not symmetrical. It is often cut into shapes that resemble flowers or leaves.
French Wire Earring Back:A French wire earring back is a type of earring back that goes through the earlobe and hooks onto the earring. It is a very secure way to wear earrings and is often used for heavy or delicate earrings.
Freshwater Cultured Pearl:A freshwater cultured pearl is a type of pearl that is grown in freshwater lakes and rivers. Freshwater pearls are less expensive than saltwater pearls and are more common in jewellery.
Freshwater Pearls:Freshwater pearls are pearls that are grown in freshwater lakes and rivers. Freshwater pearls are less expensive than saltwater pearls and are more common in jewellery.
Fretwork:Fretwork is a type of decorative work made up of small pieces of metal or wood that are arranged in a geometric pattern. It is often used on jewellery boxes or other small objects.
Friction Back:A friction back is a type of earring back that goes through the earlobe and hooks onto the earring. It is a very secure way to wear earrings and is often used for heavy or delicate earrings.
Garnet:A garnet is a gemstone that comes in a variety of colors, but is most commonly red or purple. The name "garnet" comes from the Latin word for pomegranate, because the gemstones resemble the fruit's seeds. Garnets are found all over the world, but most of the gem-quality stones come from Africa, Asia, and South America.
Gelite:Gelite is a type of mineral that is related to opal. It is often used as a gemstone, but it can also be used for industrial purposes such as making abrasives.
Gem:A gem is a piece of jewelry that contains a precious stone such as a diamond, emerald, or ruby.
Gem Treatment:Gem treatments are processes that are used to improve the appearance or durability of a gemstone. Treatments can be done to improve the color, clarity, or overall quality of the stone. Some treatments are permanent, while others may need to be reapplied periodically.
Gemstone:A gemstone is a piece of natural mineral or organic material that is cut and polished to be used in jewelry or other decorative items. Gemstones can be found all over the world and come in many different colors, shapes, and sizes.
Geyserite:Geyserite is a type of rock that forms around hot springs and geysers. It is often used as a gemstone, but it can also be used for industrial purposes such as making abrasives.
GIA:The Gemological Institute of America (GIA) is a nonprofit organization that provides education and certification in gemology and related fields. The GIA is considered the authority on diamonds and colored stones, and their certification is highly respected in the jewelry industry.
Gilding:Gilding is a process of applying a thin layer of gold or other precious metal to an object for decoration. Gilding can be done by hand or with machinery, and it is often used to give a piece of jewelry a more luxurious appearance.
Gilson Opal: A type of opal that is made by fusing small pieces of natural opal together. The result is a man-made stone that has the same appearance as natural opal, but is more affordable.
Girasol: A type of opal that has a milky or cloudy appearance. The name comes from the Latin word for "sunflower", because the stone resembles the flower.
Girdle:The girdle is the outer edge of a diamond or other gemstone. It is usually faceted to provide extra protection for the stone and to help it sparkle more brightly. The girdle can also be engraved with words or patterns for added decoration.
Glass Opal: A type of opal that is made from glass instead of natural stone. Glass opals are usually less expensive than natural opals, but they lack the durability and beauty of natural stones.
Glue Setting:A glue setting is a type of setting where the gemstone is glued into place instead of being held in by prongs or other metal components. Glue settings are less secure than other types of settings and are not typically used for expensive or valuable stones. However, they can be a good option for costume jewelry or other pieces where durability is not as important.
Gold: Gold is a chemical element with the symbol Au (from Latin: aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal.[4][5] A relatively rare element,[6] gold does not corrode in air or water
Gold (Metal):Gold is a chemical element with the symbol Au (from Latin: aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally. In a pure form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. A relatively rare element, gold is a precious metal that has been used for coinage, jewelry, and other arts throughout recorded history. In the past, a gold standard was often implemented as a monetary policy, but gold coins ceased to be minted as a circulating currency in the 1930s, and the world gold standard was abandoned for a fiat currency system after 1971. A total of 197,576 tonnes of gold exists above ground, as of 2019.
Gold filled or rolled gold:A process where a layer of at least 10 karat solid gold is mechanically bonded to a base metal. The resulting product has the look and feel of solid gold but at a fraction of the cost. Rolled Gold Plate (RGP) is made by heat and pressure bonding a layer of karat gold to a base metal such as brass.
Gold Opal: A type of opal that has a yellow, orange, or red hue. Gold opals are some of the most valuable and rarest types of opals.
Gold Plating:A process where a thin layer of gold is deposited onto the surface of another metal. Gold plating is often used in electronics to provide a corrosion-resistant electrically conductive layer on copper or other base metals.
Gondor: A type of opal that is found in Australia. Gondor opals are known for their bright colors and patterns.
Grain/ Colour Grains: The small pieces of mineral that make up an opal. The size, shape, and color of the grains determine the overall appearance of the stone.
Green Amethyst:A type of amethyst that has been heated to change its color from purple to green. Green amethysts are typically less valuable than unheated purple amethysts since they are more common.
Green Diamond:A type of diamond that has been irradiated to change its color from yellow or brown to green. Green diamonds are typically less valuable than unirradiated white diamonds since they are more common.
Half-Bezel Setting:A type of setting where only half of the diamond or gemstone is encircled by metal. Half-bezel settings are often used for solitaire rings since they allow more light to enter the stone and make it appear larger.
Half-Channel Setting:A type of setting where only half of the diamond or gemstone is encircled by metal channels on either side. Half-channel settings are often used for solitaire rings since they allow more light to enter the stone and make it appear larger
Hallmarks: A hallmark is a purity stamp that is used to indicate the content of precious metals like gold and silver. In Australia, hallmarks are regulated by the National Trade Measurement Regulations 2009.
Hammer Finish: A hammer finish is a textured surface that has been created by using a hammer to strike the metal. This finish is often used on jewelry to create a unique look.
Hands: Hands are the parts of a watch that tell time. The hour hand indicates the hour and the minute hand indicates the minutes.
Hardness (Mohs Hardness Scale): The Mohs hardness scale is used to measure the hardness of minerals. The scale goes from 1 (softest) to 10 (hardest).
Harlequin Opal: A type of opal with a distinctive pattern of large patches of color. Harlequin opals are very rare and highly valued by collectors.
Heart-Shaped Cut: A heart-shaped cut is a type of diamond cut that is shaped like a heart. This cut is often used for engagement rings and other types of jewelry.
Heat Treatment: Heat treatment is a process that uses heat to change the properties of a material. This process can be used to harden, soften, or improve the durability of metals.
Hematite: Hematite is a mineral that has a reddish-brown color. It is often used in jewelry and as an ornamental stone.
Herringbone Chain: A herringbone chain is a type of chain made from small, flat pieces of metal that are linked together to form a zigzag pattern. The name comes from the fact that the pattern resembles the skeleton of a herring fish.
Hidden Clasp: A hidden clasp is a type of closure that is not visible when the jewelry piece is worn. Hidden clasps are often used in bracelets and necklaces to give the appearance of a seamless design.
High-Polish Finish: A high-polish finish is a type of finish that creates a mirror-like shine on the surface of the metal. High-polish finishes are achieved through a process of polishing the metal with progressively finer abrasives until it reaches a smooth, reflective surface.
Hinged Back: A hinged back is a type of back that opens and closes like a door, allowing the wearer to put on and take off the jewelry piece without having to remove it from their body. Hinged backs are common in earrings and some types of bracelets.
Homogenous: of the same kind or nature.
Honey Opal: a type of opal with a yellow, orange, or brown body color.
Hook & Eye Clasp: A hook & eye clasp is a type of closure that consists of two parts: a hook that attaches to one end of the jewelry piece, and an eye that attaches to the other end. The hook fits into the eye, and the two parts are held together by friction.
Hoop Earrings: Hoop earrings are earrings that consist of a circular or semi-circular wire or band that goes around the earlobe. Hoop earrings are available in many different sizes and styles, from small and delicate hoops to large and bold statement pieces.
Host Rock: the rock in which a mineral or gem is found.
Hue: Hue refers to the dominant color wavelength of light reflected off an object's surface. In terms of gemstones, hue can be used to describe both the body color (the overall color of the stone) and any secondary colors present in its tone (the lightness or darkness of the color).
Hungarian Opal: a type of opal with a white or pale body color and a play-of-color that is often described as "flashy."
Hyacinth Opal: a type of opal with a blue body color.
Hyalite: a clear, colorless variety of quartz.
Hydrophane:A hydrophane is a type of stone that is able to absorb water. The term comes from the Greek words hydro (water) and phainein (to show). Hydrophanes are typically translucent or opaque, and have a waxy or greasy appearance. They are found in a variety of colors, but are most commonly white, blue, or green.
Hypoallergenic Metal: A metal that is unlikely to cause an allergic reaction.
Ideal-Cut: A diamond that has been cut to ideal proportions, resulting in maximum brilliance and fire.
Igneous:Igneous stones are those that have been formed by the solidification of molten lava or magma. The word igneous comes from the Latin word for fire, ignis. Igneous stones are classified according to their composition: silica-rich stones such as granite and rhyolite are called felsic, while those with less silica, such as basalt and gabbro, are called mafic.
Imitation: A material that is made to look like another, more expensive material.
Imitations:Imitations are stones that have been made to resemble another type of stone. Imitations can be made from a variety of materials, including glass, plastic, ceramic, and even wood. Some imitations are made to look like more expensive stones, such as diamonds or emeralds. Others may be made to resemble a particular type of stone that is not otherwise available.
Imperfection: A blemish or flaw on a diamond or other gemstone.
Inclusions: Internal flaws or foreign material in a diamond or other gemstone.
Independently Certified: A certificate from a third-party gemological laboratory that grades a diamond or other gemstone.
Inlay:Inlay is a type of decoration in which one material is set into another. Inlays can be made from a variety of materials, including metal, shell, mother-of-pearl, and stone. Stone inlays are often used to decorate jewelry and other small objects.
Invisible Setting: A setting in which the metal prongs are hidden, resulting in a floating appearance.
Iolite: A violet-blue variety of cordierite, typically used as a gemstone.
Ion-plated: A process in which a metal is coated with another metal using electrical charges.
Iridescence: The property of certain surfaces that causes them to appear to change color when viewed from different angles.
Iridot:An iridot is a type of stone that contains iridescence within its structure. Iridots can be found in a variety of colors, depending on the type of stone involved.
Ironstone: a type of sedimentary rock that is composed of iron oxide minerals such as hematite, magnetite, or goethite.
Irradiated / Irradiation: the process of exposing a material to ionizing radiation, which can cause changes in its physical and chemical properties.
Irradiation: The process of exposing something to radiation.
Isopyre: a type of igneous rock that is characterized by its high iron content.
Jade: A greenish-white stone that is often used in jewelry.
Jasper Opal: a type of opal that is characterized by its Jasper-like appearance.
Jelly Opal: a type of opal that is characterized by its jelly-like appearance.
Journey Necklace: A necklace with a pendant that can be inscribed with the wearer's journey or story.
Jump ring: A small ring that is used to connect two pieces of jewelry together.
Karat: A unit of measure for the purity of gold. 24 karat gold is pure gold, while 14 karat gold is 14/24ths gold and 10 karat gold is 10/24ths gold.
Kinetic: Relating to or resulting from motion. Kinetic energy is the energy of motion.
Lab grown gemstones:Lab-created gemstones are those that are created in a laboratory, rather than being found in nature. Lapidary is the art and science of cutting and polishing gemstones. A lariat necklace is a necklace that hangs down from the neck, often with a pendant or charm at the end. A laser-inscribed gemstone is one that has had a design or message engraved onto it using a laser.
Lab-Created:A lab-created gemstone is a man-made version of a natural gemstone. It is created in a laboratory using the same chemical and physical properties as the natural stone. The main difference between a lab-created gemstone and a natural gemstone is that the lab-created gemstone is not found in nature.
Laminated: a type of rock that is composed of layers of different materials.
Lapidary:Lapidary is the art of cutting, polishing, and engraving stones, minerals, and other materials. It is considered to be a branch of jewelry making. Lapidary artists use a variety of tools and techniques to create their pieces.
Lariat:A lariat is a long rope or cord that is used for lassoing or tying up livestock. It can also be used as a decorative necklace or belt.
Lariat necklace or lasso necklace:A lariat necklace is a necklace that consists of a long rope or cord with a pendant at the end. The pendant can be made from any material, but it is typically made from metal, stone, or glass. The lariat necklace can be worn by both men and women.
Laser-Inscribed:Laser inscribed means that something has been engraved using a laser beam. This type of engraving is often used for jewelry because it can create very intricate designs.
Layering necklace: A layering necklace is a type of necklace that is designed to be worn in layers. The most common style is a long chain with multiple strands of different lengths, but there are also styles that feature multiple chains of different lengths. Layering necklaces can be made from a variety of materials, including metals, beads, and gemstones.
Lechosos Opal: a type of opal that is characterized by its lechoso-like appearance.
Lemon Opal:A lemon opal is a type of opal that is yellow or orange in color. It is found in Australia and is a popular gemstone.
Leopard Opal:Leopard Opal is an Australian variety of crystal opal showing multicolored patterns that resemble a leopard's spots. It is found only in Lightning Ridge in New South Wales and Mintabie in South Australia. Leopard Opals are very popular among collectors and are highly valued for their unique appearance.
Levin Opal:Levin Opals are a type of crystal opal found in Lightning Ridge, New South Wales. They are characterized by their bright colors and patterns that resemble flames or ferns. Levin Opals are very popular among collectors and are highly valued for their unique appearance.
Light Crystal Opal:Light Crystal Opals are a type of crystal opal that is characterized by its light color and transparency. They are found in various locations around the world including Australia, Brazil, Ethiopia, and the United States. Light Crystal Opals are popular among collectors and gem enthusiasts due to their beauty and rarity.
Light Opal:Light Opals are a type of crystal opal that is characterized by its light color. They are found in various locations around the world including Australia, Brazil, Ethiopia, and the United States. Light Opals are popular among collectors and gem enthusiasts due to their beauty and rarity.
Light return: Light return is the percentage of light that is reflected back from a diamond. The higher the light return, the more sparkle and brilliance a diamond will have.
Lightning Ridge Opal: Lightning Ridge Opals are a type of black opal found only in Lightning Ridge, New South Wales. They are characterized by their dark body color with bright multicolored patterns. Lightning Ridge Opals are the most valuable type of black opal and are highly sought after by collectors and gem enthusiasts alike.
Lithoxyl: Lithoxyl is a non-opaque variety of chrysoprase that exhibits chatoyancy or "cat's eye" effect when cut en cabochon (in a convex shape with a polished surface). It is found in Western Australia near Perth as well as other parts of Australia such as Queensland and Northern Territory
Liver Opal:Liver opal is a type of opal that is found in the liver of certain animals. It is a semi-precious stone that is used in jewelry and other decorative items. Liver opal is usually a dark green or black color, with a lustrous sheen. It is found in Africa, Australia, and the United States.
Lobster clasp: A lobster clasp is a type of jewelry clasp that features a small hook that resembles a lobster claw. It is used to secure a piece of jewelry, such as a necklace or bracelet, around the wrist or neck.
Locket: A locket is a type of jewelry that holds a small photograph or other memento inside. Lockets are often given as gifts to loved ones, and they can be worn as pendants or bracelets.
Loose Diamond: A loose diamond is a diamond that has been removed from its setting and is not mounted in jewelry. Loose diamonds are often sold by jewelers and can be used to create custom-made jewelry.
Loupe: A loupe is a small magnifying glass that is used to examine diamonds and other gemstones. It is an essential tool for jewelers and gemologists when evaluating diamonds.
Lustre: The lustre of a gemstone is the way it reflects light. Gemstones with a high lustre are more brilliant and have a higher refractive index.
Madeira citrine: Madeira citrine is a type of citrine that is named after the island of Madeira, where it was first found. It is a yellow to orange variety of quartz that gets its color from iron impurities.
Magnetic Clasp: A magnetic clasp is a type of clasp that uses magnets to secure jewelry or other items. Magnetic clasps are often used in bracelets, necklaces, and other types of jewelry.
Malachite: Malachite is a green mineral that is often used in jewelry and other decorative items. It is made up of copper carbonate and gets its green color from the copper content.
Mariner Link Chain: A mariner link chain is a type of chain that has links that resemble anchors. Mariner link chains are often used in necklaces and bracelets.
Markings: Markings are the symbols or letters that are stamped on gold jewelry to indicate the purity of the gold. Common markings include 14K, 18K, and 24K.
Marquise: The marquise is a diamond cut that is shaped like an oval with pointed ends. It is one of the most popular diamond cuts for engagement rings.
Marquise Cut: A marquise cut is a type of cut for a diamond or other precious stone. It is named after the Marquise de Pompadour, who was a mistress of King Louis XV of France. The marquise cut is a elongated oval shape with pointed ends.
Matinee length: Matinee length is the length of a movie that is typically shorter than the evening show. Matinees are often shown in the afternoon, and are usually cheaper than evening shows.
Matte Finish: A matte finish is a type of finish that is not shiny or glossy. Matte finishes are often used on walls, ceilings, and floors to create a more subtle look.
Menilite:Menilite is a type of metamorphic rock that is found in Mexico. It is made up of micro-crystalline quartz and feldspar. Menilite is typically a pink or red color, but can also be white, yellow, or green. It is used as a gemstone and for making jewelry.
Metals: Metals are elements that are good conductors of heat and electricity, and are malleable (able to be shaped) and ductile (able to be drawn into wire). Some examples of metals include iron, copper, and aluminum.
Metamorphic:Metamorphic rocks are rocks that have been changed by heat, pressure, or other forces. They can be either sedimentary or igneous rocks. Metamorphic rocks are often used as building materials because they are strong and durable.
Mexican Fire Opal:Mexican fire opal is a type of opal that is found in Mexico. It is usually a bright orange or red color, but can also be yellow, green, or blue. Mexican fire opals are used as gemstones and for making jewelry.
Micro-crystalline:Micro-crystalline refers to a material that is made up of very small crystals. This can be anything from sand to diamonds. Micro-crystalline materials are often used in making jewelry and other decorative items because of their sparkle and shine.
Milgrain: Milgrain is a type of decoration that consists of small beads or grains. It is often used to add texture and interest to jewelry.
Milk Opal:A milk opal is a type of opal that has a milky white color. It is a variety of opal that is found in Australia.
Milky Opal:A milky opal is a type of opal that has a milky white color. It is a variety of opal that is found in Australia.
Mineral:A mineral is a naturally occurring inorganic solid with a definite chemical composition and a crystalline structure. Minerals are not living things. They are formed by natural processes and can be found in rocks, soil, water, and air.
Mineral Crystal: A mineral crystal is a type of crystal that is made from minerals. Mineral crystals can be found in many different colors, shapes, and sizes.
Mineral Gem: A mineral gem is a type of gemstone that is made from minerals. Mineral gems can be found in many different colors, shapes, and sizes.
MM: MM stands for millimeters. Millimeters are a unit of measurement that are equal to 1/1000th of a meter.
Mohs Hardness Scale:The Mohs hardness scale is a scale used to determine the hardness of a material. The scale was developed by German mineralogist Friedrich Mohs in 1812 and is still used today.
Mohs scale:The Mohs scale is a qualitative ordinal scale that characterizes the hardness of minerals. It was created in 1812 by German mineralogist Friedrich Mohs and is one of the most commonly used systems for classifying the hardness of materials. The scale is based on the ability of one material to scratch another, with the softest materials being scratched by all others and the hardest materials being able to scratch all others.
Monarch Opal:The monarch opal is the most valuable type of opal found in Australia. It is a black opal with a bright red, orange, or yellow color. Monarch opals are very rare and can be worth millions of dollars.
Morganite:Morganite is a pink to peach-colored gemstone in the beryl family. It is named after American financier J.P. Morgan. Morganite occurs in a variety of colors, but the most desired colors are pink and peach. The rarest and most valuable Morganites are those with a strong pink coloration.
Mosaic/Mosaic Opal:Mosaic opals are made up of small pieces of opal that are arranged in a pattern. Mosaic opals can be any color, but they are usually black or dark-colored.
Moss Opal:Moss opal is a type of opal that contains inclusions of moss-like material. These inclusions can be either green or black in color, and they give the stone a unique appearance. Moss opals are found in a variety of locations around the world, but they are most commonly found in Australia.
Mother of Opal:Mother of opal is a term used to describe a type of opal that has been formed from the remains of another type of stone. Mother of opal can be found in a variety of colors, but it is most commonly white or translucent. Mother of opal is typically used as a cabochon or in jewelry settings.
Mother of pearl:Mother of pearl is an iridescent nacreous material produced by some mollusks, especially oysters and abalone. It is used as a decorative element in jewelry, watches, buttons, and other ornamental objects. It is also used as an inlay material for furniture and musical instruments.
Mother of Pearl Opal:Mother of pearl opal is a type of opal that contains inclusions of mother-of-pearl. Mother-of-pearl is a iridescent material that is found in the shells of certain mollusks. Mother-of-pearl opals are typically white or pale in color, and they have a unique luster.
Mother_Of_Pearl Inlay:Inlay made with thin pieces of mother-of-pearl shell fitted into recessed areas of wood or other materials for decoration.
Mountain Opal:Mountain opal is a type of opal that is found in mountainous regions. Mountain opals are typically small in size, and they can be found in a variety of colors. Mountain opals are often used as gemstones or for making jewelry.
Movado:Movado is a Swiss watch company founded in 1881 by Achilles Ditesheim. Movado's signature design element is the Museum Dial, which was created in 1947 by designer Nathan George Horwitt. The Museum Dial is a minimalist design with a single dot at 12 o'clock representing the sun at high noon.
Mystic Fire Topaz:A type of topaz that has been treated with heat and chemicals to create a permanent rainbow iridescence on its surface. Mystic fire topaz is also sometimes called "rainbow topaz."
Nacre:Nacre, also known as mother-of-pearl, is an iridescent nacreous material produced by some mollusks, especially oysters and abalone. It is used as a decorative element in jewelry, watches, buttons, and other ornamental objects
Natural Fancy Colour Diamonds:Natural fancy colour diamonds are diamonds that occur naturally in colours other than the traditional white. These diamonds can be found in a variety of colours, including yellow, pink, blue, and even black. Natural fancy colour diamonds are quite rare, and as such, they can be quite valuable.
Natural Gem:A natural gem is a gemstone that has been formed by nature, as opposed to being man-made. Natural gems are typically found in the ground, and must be mined in order to be extracted. Natural gems can be cut and polished into a variety of shapes and sizes, and are used in jewellery and other decorative items.
Natural Materials:Natural materials are materials that occur naturally on Earth. Natural materials can be either renewable or nonrenewable. Renewable natural resources include things like air, water, and solar energy, while nonrenewable natural resources include things like fossil fuels and minerals. Natural materials can be used for a variety of purposes, including construction, manufacturing, and fuel.
Natural Pearl:A natural pearl is a pearl that has formed naturally inside of an oyster or other mollusc. Natural pearls are quite rare, and are typically more valuable than cultured or man-made pearls. Natural pearls come in a variety of shapes and sizes, and can be found in a variety of colours.
Near_Colourless:Near-colourless diamonds are diamonds that are close to being colourless, but have slight tints of yellow or brown. Near-colourless diamonds are less rare than true colourless diamonds, but are still considered to be quite valuable. Near-colourless diamonds typically have higher clarity grades than colourless diamonds.
Neslite:Neslite is an Australian company that specializes in mining and selling Australian opals. Neslite was founded in 1984, and it is headquartered in Lightning Ridge, New South Wales. Neslite sells both rough and polished Australian opals, as well as other types of gemstones and jewelry.
Nevada Opal: A type of opal found in the state of Nevada in the United States. It is often used in jewelry and is known for its bright colors.
Nick Setting:A nick setting is a type of setting where the diamond is held in place by small nicks or indentations on the metal band. This type of setting is often used for solitaire rings, as it allows the diamond to sit higher on the finger and show off its sparkle. The nick setting can also be used for other types of jewellery, such as pendants and earrings.
Nickel: Nickel is a chemical element with the symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile
Nickel silver:Nickel silver, also known as German silver, is an alloy of nickel and copper with a small amount of zinc. It has a silvery-white color and is often used for making jewelry, coins, and other decorative items.
Non-Precious Opal: A type of opal that is not considered to be valuable. It is often used in costume jewelry or for other decorative purposes.
Normal Lapidary Practices: The process of cutting, polishing and shaping opals and other gemstones.
Nucleation:Nucleation is the process by which new particles are formed from existing ones. It can occur spontaneously or be induced by external factors such as heat, pressure, or chemical reactions. Nucleation is an important step in the formation of crystals, metals, and other materials.
Oiling: The process of treating opals with oil to improve their appearance. This is often done with black opals to make them look more vibrant.
Olivine:Olivine is a greenish-yellow mineral that is found in many rocks. It is a major component of the earth's mantle and is also found in meteorites. Olivine has a variety of uses, including jewelry and industrial abrasives.
Omega Back:The omega back is the lower part of the spine that curves inward at the waist. It is often seen in people with poor posture or those who have gained weight around the middle. The omega back can also be a result of wearing tight clothing that constricts the waist.
Omega Chain:An omega chain is a type of necklace that consists of a series of interlocking links. Omega chains are often made from gold or silver and can be worn alone or with a pendant. They are named after the Greek letter Omega because of their shape.
Onyx:Onyx is a black mineral that is found in many rocks. It can be used for making jewelry and other ornamental items. Onyx is also used in industry for making abrasives and polishes.
Onyx Opal: A type of opal that has a black or dark-colored body. It is often used in jewelry and can be very valuable.
Opal:Opal is a translucent mineral with a play of colors on its surface. It is found in many rocks but most commonly in sedimentary rocks such as sandstone. Opal has been used for centuries for making jewelry and other ornamental items.
Opal Matrix: The host rock in which an opal is found. It can be made up of different materials, such as chalcedony, quartz or ironstone.
Opalescence:The opalescence of a gemstone is its play of color, or the way in which it appears to change color when viewed from different angles. Opalescence is caused by the diffraction of light as it passes through the stone's microcrystalline structure. The most common type of opalescence is iridescence, which is caused by the interference of light waves reflecting off of different layers of the stone. Other types of opalescence include chatoyancy (caused by light reflecting off of inclusions in the stone) and adularescence (caused by light reflecting off of parallel planes in the stone).
Opaline:Opaline refers to a type of glass that contains a small amount of lead oxide. This gives the glass a slightly milky appearance. Opaline glass was first made in France in the early 1800s and was used for a variety of objects, including vases, lamps, and jewelry. It became especially popular during the Art Nouveau period.
Opalite:Opalite is a man-made material that resembles natural opal. It is created by fusing together small pieces of glass or metal with a high-quality resin. Opalite can be used to create a variety of jewelry pieces, including rings, pendants, and earrings. It is also sometimes used as an accent stone in larger pieces such as necklaces and bracelets.
Opalized Bone:Opalized bone is bone that has been partially or completely replaced by opal. This can occur naturally, through processes such as fossilization, or it can be created artificially through laboratory techniques. Opalized bone can be found in a variety of colors, depending on the type of bone that has been opalized and the minerals present in the surrounding rock. It is often used in jewelry and other decorative items.
Opalized Fossil:An opalized fossil is a fossil that has been partially or completely replaced by opal. This can occur naturally, through processes such as fossilization, or it can be created artificially through laboratory techniques. Opalized fossils can be found in a variety of colors, depending on the type of fossil that has been opalized and the minerals present in the surrounding rock. They are often used in jewelry and other decorative items.
Opalized Shell: A type of fossilized shell in which the original shell has been replaced by opal.
Opalized wood: A type of fossilized wood in which the original wood has been replaced by opal.
Opaque: Not transparent or translucent; impenetrable to light.
Opera length: A measure of a string of pearls, generally taken as twice the length of the string when it is fully extended.
Oxidised or blackened silver: Silver that has been treated with chemicals or other agents to produce a black or dark grey finish.
Painted boulder: A boulder that has been painted with a design or message.
Palladium: A white metal of the platinum group, used in jewellery and watchmaking for its colour and resistance to tarnish.
Parcel: A small package or bundle, typically one sent by post.
Paste jewellery: Jewellery made from glass or other synthetic materials designed to resemble diamonds and other precious stones.
Patination: The process of artificially ageing metal, usually copper or bronze, to produce a greenish-blue patina.
Pavilion: The lower part of a cut gemstone, below the girdle.
Pear cut: A pear cut is a type of diamond cut that is similar to the round brilliant cut, except that it has a pointed end instead of a rounded end.
Pear-Shaped Cut: The pear-shaped cut is a type of diamond cut that is similar to the round brilliant cut, except that it has a pointed end instead of a rounded end.
Pearl: A pearl is a hard, round object that is produced by certain types of mollusks. Pearls are often used in jewelry, and they come in a variety of colors.
Pearl Opal:A pearl opal is a type of opal that has a pearly lustre. It is usually white or pale in colour, but can also be found in shades of pink, blue, or green. Pearl opals are found in Australia, Brazil, Ethiopia, and Peru.
Pendant: A pendant is a piece of jewelry that hangs from a chain or cord. Pendants can be made from a variety of materials, including metals, gemstones, and glass.
Pendant necklace: A pendant necklace is a necklace that has a pendant attached to it. Pendants can be made from a variety of materials, including metals, gemstones, and glass.
Peridot: Peridot is a greenish-yellow gemstone that is found in some igneous rocks. It is used in jewelry and as an ornamental stone.
Permeate:To permeate is to spread or diffuse through something else. When a liquid permeates a solid, it fills the interstices of the solid and penetrates its pores. When a gas permeates a liquid, it dissolves in the liquid. Permeation can also refer to the process by which a substance diffuses through a membrane.
Personalized: Personalized means to make something unique for someone or to add personal touches to something. Personalized gifts are often given to loved ones on special occasions such as birthdays or holidays.
Peruvian Opal:Peruvian opal is a type of opal that is found in Peru. It is usually blue or green in colour, but can also be found in shades of pink, purple, or red. Peruvian opals are often used in jewellery and are considered to be quite valuable.
Pin: A pin is a small piece of metal with a sharp point at one end and a flat base at the other. Pins are used to fasten fabric or other materials together temporarily or permanently.
Pineapple Opal:Pineapple opal is a type of opal that is found in Australia. It is usually yellow or orange in colour and has a distinctive pineapple-like shape. Pineapple opals are quite rare and are considered to be quite valuable.
Pinfire Opal:Pinfire opal is a type of opal that has a distinctive pinfire pattern. Pinfire opals are found in Australia, Brazil, Ethiopia, and Peru. They are often used in jewellery and are considered to be quite valuable.
Pink Diamond:A pink diamond is a type of diamond that has a pink color. The pink color is caused by the presence of trace amounts of elements such as nitrogen and boron in the diamond. Pink diamonds are very rare, and they are often used in jewelry.
Pinpoint Opal:Pinpoint opals are small, round beads of opal that are strung together to form necklaces or bracelets. Pinpoint opals are found in Australia and Brazil. They are often used in jewellery and are considered to be quite valuable.
Pipe Opal: A type of opal that forms in cylindrical or tubular shapes.
Pitch Opal: A type of opal that is black or very dark in color.
Plating:Plating is a process in which a thin layer of metal is deposited on the surface of another metal. This can be done for a variety of reasons, including to improve the appearance of the metal, to prevent corrosion, or to harden the surface.
Platinum:Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, gray-white transition metal. Its name is derived from the Spanish term platina del Pinto, meaning "little silver of the Pinto River." Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements.
Play-of-colour (POC): The phenomenon of certain minerals, such as opals, displaying a range of colors when viewed from different angles.
Pleochroism:Pleochroism is an optical phenomenon in which light waves vibrate in more than one plane as they travel through certain materials. This causes different colors to be seen when viewed from different angles. Pleochroism can be observed in some minerals, including tourmaline and garnet.
Pocket Watch:A pocket watch is a type of watch that is designed to be carried in a pocket. Pocket watches were first made in the 16th century, and they became very popular during the Victorian era. Pocket watches are now considered to be collector's items.
Point (pt.):A point (pt.) is a unit of measurement used for diamonds and other gemstones. One point equals 0.01 carats (ct.), or 200 milligrams (mg).
Polish: a smooth, glossy finish on a surface, usually achieved by using a polishing agent
Popcorn Chain: a type of necklace made up of small, round beads
Post: a support or structure that is used to hold something in place
Potch: A type of opal that is opaque and has no play-of-colour.
Potch Opal: A type of opal that is a mixture of potch and play-of-colour opal.
Prase Opal: A type of opal that is green in color.
Precious Fire Opal:Precious fire opal is a type of opal that exhibits a play of color. The colors are usually red, orange, or yellow, and the stone is transparent to translucent. Precious fire opals are found in Australia, Brazil, Ethiopia, and Mexico.
Precious gemstones: stones that are considered to be valuable or rare, such as diamonds, rubies, and sapphires
Precious Opal:Precious opal is a type of opal that exhibits a play-of-color, meaning it displays a rainbow-like iridescence when viewed from different angles. It is considered to be the most valuable type of opal, and is often used in jewelry. Precious opal typically has a base color of white, black, or gray, and the play-of-color is usually red, green, or blue. The colors are created by tiny spheres of silica that are stacked in an orderly fashion and diffract light to create the colors that are seen.
Princess cut: a type of diamond cut that is square or rectangular in shape with pointed corners
Princess or standard length: the most common length for a necklace, measuring 18 inches (45.72 cm)
Promise Ring: A promise ring is a ring that is given as a symbol of love or friendship. It can be given for many different reasons, but usually it signifies that the person who gives the ring is committed to the relationship.
Prong Setting: A prong setting is a type of jewelry setting in which the stone is held in place by prongs. The number of prongs can vary, but typically there are four or six. The prongs can be made from any material, but they are usually made from metal.
Prongs: Prongs are the points on a piece of jewelry that hold the stone in place. They can be made from any material, but they are usually made from metal. The number of prongs can vary, but typically there are four or six.
Property: Property is the legal right to possess, use, and enjoy something. In the context of jewelry, property refers to the ownership of the piece itself and any rights that come with it. For example, if you own a piece of gold jewelry, you have the right to wear it, sell it, or give it away.
Pseudomorph: An object that has the form of another object, but is composed of different material. In the case of precious opal, a pseudomorph is an opal that has replaced another material, such as wood or bone.
Pure Gold: Pure gold is 24 karat gold. It is also known as fine gold and is the highest purity that gold can be. Pure gold is too soft to be used in jewelry, so it is often mixed with other metals to create an alloy.
Pure Platinum: Pure platinum is 950 platinum. It is also known as fine platinum and is the highest purity that platinum can be. Pure platinum is too soft to be used in jewelry, so it is often mixed with other metals to create an alloy.
PVD Finish: PVD stands for physical vapor deposition. It is a type of coating that is applied to metal surfaces to protect them from wear and tear. PVD finishes are often used on watches and other types of jewelry that are subject to frequent use.
Pyrophane: A type of opal that displays a strong play-of-color when exposed to heat.
Quartz: Quartz is a type of mineral that has many uses. In jewelry, quartz can be used as a gemstone or as an ornamental stone. It has a wide range of colors and can be found in many different parts of the world.
Quartz Movement:A type of watch movement that uses an electronic oscillator regulated by a quartz crystal to keep time. This type of movement is highly accurate and is used in many watches today.
Quartzite: a type of metamorphic rock that is made up of interlocking quartz crystals. It is found in a variety of colors, including white, pink, purple, gray, and black.
Queensland Opal: a type of opal that is found in the state of Queensland, Australia. It is known for its bright colors and patterns.
Quinzite Opal: a type of opal that is found in the state of Queensland, Australia. It is known for its bright colors and patterns.
Radiant-Cut:A type of diamond cut that has a rectangular or square shape with truncated corners. It is a popular choice for engagement rings and other jewelry.
Radiolite Opal: a type of opal that is found in the state of Queensland, Australia. It is known for its bright colors and patterns.
Rainbow Opal: a type of opal that is found in the state of Queensland, Australia. It is known for its bright colors and patterns.
Reconstructed Imitation Opal: A type of opal that is made from a synthetic or man-made material that imitates the natural properties of opal.
Red Diamond:A type of diamond that is colored red by trace amounts of impurities such as nitrogen. Red diamonds are extremely rare and valuable.
Red Flash Opal: A type of opal that exhibits a red color when viewed from certain angles.
Refining:The process of purifying a substance, such as gold or silver, by removing impurities. Refining can be done chemically or physically.
Resin Opal: A type of opal that is made from a synthetic or man-made material that imitates the natural properties of opal.
Rhodium:A chemical element with the symbol Rh and atomic number 45. It is a rare, silvery-white metal that is highly resistant to corrosion. Rhodium is often used as a plating on other metals, such as gold, to give them a shiny finish.
Rhodolite:A variety of garnet that is red or purple in color. Rhodolite is often used in jewelry and is considered to be semiprecious stone.
Rhyolite: A type of igneous rock that is composed of felsic lava. It is typically light in color and has a glassy or porphyritic texture.
Ribbon: A strip or band of material, typically cloth, that is used as a decoration or to tie something together.
Rock Crystal:A type of quartz that is transparent or translucent. Rock crystal has been used for centuries for making jewelry and other objects.
Rope Chain: A rope chain is a type of chain made from interwoven strands of metal, usually gold or silver. The name comes from the fact that it resembles a rope in appearance.
Rose Gold: Rose gold is a type of gold that has a pinkish hue. It is created by adding copper to gold. Rose gold is often used in jewelry and watches.
Rose Quartz: Rose quartz is a type of quartz that has a pinkish hue. It is found in many parts of the world and is often used in jewelry and other decorative items.
Rough: a piece of stone or mineral that has not been cut, polished, or otherwise finished
Round Brilliant-Cut: A round brilliant-cut diamond is a type of diamond cut that has 58 facets (57 if the culet is not included). It is the most popular type of diamond cut and is often used in engagement rings and other types of jewelry.
Ruby: A ruby is a red gemstone that is part of the corundum family. Rubies are found in many parts of the world and are often used in jewelry and other decorative items.
Rumanite: a type of metamorphic rock that is found in the northern parts of Australia
Saltwater Pearl: A saltwater pearl is a type of pearl that forms in saltwater mollusks, such as oysters and mussels. Saltwater pearls are typically more valuable than freshwater pearls.
Sandstone: a type of sedimentary rock that is composed of sand grains cemented together
Sapphire: A sapphire is a blue gemstone that is part of the corundum family. Sapphires are found in many parts of the world and are often used in jewelry and other decorative items.
Sapphire crystal: A sapphire crystal is a transparent piece of sapphire that is used in watches and other jewelry. It is extremely hard and scratch-resistant, making it an ideal material for watch crystals.
Satin finish: A satin finish is a type of finish that is applied to metals, glass, or other materials. It is characterized by a soft, matte appearance.
Saturation: Saturation is the state of being completely filled with color. When a color is fully saturated, it appears to be at its brightest and most intense.
Scintillation: Scintillation is the sparkling of light that is caused by the reflection of light off of tiny particles. It is often seen in diamonds and other gemstones.
Screw back: A screw back is a type of watch case back that is screwed onto the watch case. This type of back provides a more secure seal than a snap back, making it ideal for waterproof watches.
Seam Opal: a type of opal that is found in seams or veins within other rocks
Sedimentary: A type of rock that is formed by the accumulation of sediments, typically at the bottom of a body of water.
Self-winding watch: A self-winding watch is a watch that winds itself using the motion of the wearer's body. This type of watch does not require batteries or manual winding.
Semi Black Opal: A type of opal that has a dark body color with flashes of bright colors.
Semi-Mounting: A semi-mounting is a piece of jewelry that has been designed to hold a particular type of gemstone, but does not come with the stone itself. This allows the customer to choose their own stone, or have one custom made, to create a unique piece of jewelry.
Semi-Black Opal: A type of opal that has a dark body color with flashes of bright colors.
Semiopal: A type of opal that has a semi-opaque body color with flashes of bright colors.
Semiprecious Gem: A semiprecious gem is a gemstone that is not classified as being precious. Semiprecious gems are generally less expensive than precious gems, but can still be quite beautiful and valuable.
Setting: The setting of a piece of jewelry is the way in which the stones are held in place. There are many different types of settings, and the choice of setting can have a big impact on the overall look of the piece.
Shell Opal: A type of opal that is found in the shells of certain animals, typically mollusks.
Shock Resistance: Shock resistance is a measure of how well a piece of jewelry can withstand being dropped or otherwise subjected to sudden impact. This is especially important for watches, which are often worn while doing activities that could potentially damage them.
Silica: The chemical compound silicon dioxide, which is the main component of sand and glass.
Silver: Silver is a precious metal that has been used in jewelry making for centuries. It is known for its beauty and luster, and is often used in combination with other metals to create unique colors and effects.
Simulated: A simulated stone is a man-made or synthetic gemstone that is designed to look like a natural stone. The term "simulated" is used to describe stones that are not real, but are made to resemble a natural stone.
Singapore Chain: A Singapore chain is a type of jewelry chain that is made up of small, round links. The links are usually soldered together, and the chain can be worn as a necklace or bracelet.
Size: Size refers to the dimensions of a gemstone or piece of jewelry. Gemstones are typically measured in millimeters (mm), and their size can range from very small (1 mm) to very large (100 mm).
Slocum stone: A Slocum stone is a type of synthetic stone that is used in jewelry and other decorative items. It is made from a mixture of quartz, feldspar, and other minerals. The stone is named after its inventor, John W. Slocum.
Smoky Quartz: Smoky quartz is a type of quartz that ranges in color from light brown to dark black. It gets its name from its smoky color, which is caused by the presence of trace amounts of minerals in the stone.
Snake Chain: A snake chain is a type of jewelry chain that is made up of small, interlocking links. The links resemble the scales of a snake, and the chain can be worn as a necklace or bracelet.
Solder: Solder is a metal alloy that is used to join two pieces of metal together. Solder has a low melting point, so it can be melted and cooled without damaging the metals it is joining.
Solitaire: A solitaire is a single, isolated pearl that is set in a piece of jewelry, typically a ring. It is also known as a "single pearl necklace."
South Sea Pearl: The South Sea pearl is the largest and most valuable type of pearl in the world. It is found in the warm waters off the coast of Australia, Indonesia, and the Philippines.
Spacer: A spacer is a small, thin piece of material that is used to separate two larger pieces of material. Spacers are often used in jewelry to separate beads or gemstones.
Spectrophotometer: A spectrophotometer is a scientific instrument that measures the amount of light absorbed by a sample. It is used in many fields, including chemistry and physics.
Spectroscope: A spectroscope is an optical instrument that uses a prism or diffraction grating to disperse light into its component colors. It can be used to identify the composition of substances by their absorption or emission spectra.
Spiga Chain: The Spiga chain is a type of chain link necklace that consists of small, round links that are connected together to form a chain. The name "Spiga" comes from the Italian word for "spike."
Spinel: Spinel is a mineral that has a wide range of colors, including red, pink, blue, purple, orange, and green. It is often used as a gemstone in jewelry.
Spring Ring Clasp: A type of jewelry clasp that uses a small metal spring to open and close. It is a simple and secure way to keep your jewelry in place.
Square-Cut: A type of gemstone cut that has a square or rectangular shape. It is a popular choice for engagement rings and other types of jewelry.
Stabilisation: Stabilisation is the process of making a substance more stable or less reactive. This can be done by physical or chemical means.
Stability: The ability of a piece of jewelry to stay in place and not move around. This is important for rings and other pieces that need to be worn in a specific way.
Stackable Ring: A type of ring that can be stacked on top of another ring or worn alone. Stackable rings are often used as fashion accessories and can be made from different materials.
Stainless Steel: A type of steel that is resistant to corrosion and staining. It is often used in jewelry because it is strong and durable.
Star Effect: The appearance of a star-shaped reflection on the surface of a gemstone. This effect is caused by the way light reflects off the facets of the stone.
A steam cleaner is a type of cleaning appliance that uses steam to clean surfaces. The steam is generated by heating water in a boiler, and the hot water vapor is then used to clean the surface. Steam cleaners can be used on a variety of surfaces, including carpets, upholstery, floors, and countertops.
A step-cut is a type of cut for gemstones that is characterized by its rectangular or square shape and its large, flat facets. The most common step-cut is the emerald cut, which has 58 facets.
Sterling silver is an alloy of silver containing 92.5% by weight of silver and 7.5% by weight of other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925.
Stones: Stones are small pieces of rock that are found in the earth's crust. They can be used for construction, decoration, or other purposes.
Studs are small, decorative items that are attached to clothing or other materials for decoration. They are usually made of metal or plastic and can be found on shirts, jackets, jeans, and other garments.
A subdial is a small dial on a watch face that tracks additional information such as the day of the week or the date. Subdials are often used on chronograph watches, which have multiple functions such as a stopwatch and timer.
Sun opal: Sun opal is a type of opal that has a yellow, orange, or red color. It is found in Australia and other parts of the world.
Sunflash: Sunflash is a type of gemstone that has a yellow, orange, or red color. It is found in Australia and other parts of the world.
Swarovski Elements are crystals made by Swarovski, a company based in Austria. Swarovski Elements are known for their high quality and sparkle, and they are used in a variety of products including jewelry, watches, figurines, and more.
Symmetry: In mathematics, symmetry is the property of an object that remains unchanged under certain transformations. A figure has symmetry if it can be divided into two or more identical pieces that fit together to form the original figure.
Synthetic: Synthetic refers to something that is not natural or made by nature. Synthetic substances are often created in laboratories using man-made processes.
Synthetic Stone: A synthetic stone is a man-made material that imitates the appearance and properties of natural stone. Synthetic stones are made from a variety of materials, including glass, plastic, metal, and ceramic.
Tabasheer:Tabasheer is a type of opal that is found in the form of small, white balls. It is composed of hydrated silica and is found in areas with hot springs or geysers. Tabasheer has been used in traditional medicine for centuries, and is believed to have medicinal properties.
Tachymeter (Tachometer): A tachymeter is an instrument used to measure the speed of an object in motion. The tachymeter measures the time it takes for an object to travel a fixed distance, such as one kilometer or one mile. The speed of the object is then calculated based on the time measurement.
Tahitian Cultured Pearl: Tahitian cultured pearls are pearls grown in saltwater oysters in French Polynesia. Tahitian pearls are typically dark in color, with hues ranging from black to greenish-black. Tahitian cultured pearls are prized for their unique colors and sizes.
Tanzanite: Tanzanite is a blue gemstone that is found only in Tanzania. It is a relatively new gemstone, having been discovered in 1967. Tanzanite is prized for its intense blue color and its rarity.
Tarnish:Tarnish is a thin layer of corrosion that forms on the surface of metals. It is caused by exposure to oxygen and moisture, and can occur naturally or be accelerated by chemicals or pollutants in the air. Tarnish is usually a dull, brown or black color, and can make jewelry and other metal objects look old and dirty. While it is not harmful to the metal itself, it can be difficult to remove once it has formed.
Tension Setting:A tension setting is a type of ring setting where the diamond or other gemstone is held in place by tension rather than by prongs or a bezel. The stone is set between two metal bands that are pulled together, holding the stone in place. This type of setting can be used for any type of gemstone, but is especially popular for diamonds because it allows more light to enter the stone, making it appear larger and more brilliant.
Three_Piece Set/Trio:A three-piece set or trio is a matching set of three jewelry pieces, typically a necklace, bracelet, and earrings. A trio set can be made with any type of jewelry, but is most commonly seen with pearls or diamonds. A three-piece set makes an elegant and sophisticated gift, and is also a great way to accessorize your own wardrobe.
Tie Bar:A tie bar, also called a tie clip, is a small piece of metal that attaches to the front of a man's necktie and clips it to the shirt beneath. Tie bars come in many different styles and designs, and can be made from precious metals such as gold or silver. Tie bars are an essential accessory for any well-dressed man, and can add a touch of style to any outfit.
Tiger's_eye:Tiger's eye is a semiprecious gemstone that is characterized by its striped yellow-brown coloration. It is found in metamorphic rocks all over the world, and has been used in jewelry and other decorative objects for centuries. Tiger's eye has a unique chatoyancy that gives it a "cat's eye" effect when viewed from different angles. It is believed to have mystical powers and has been used as amulets since ancient times.
Tiger's_eye:Tiger's eye is a semiprecious gemstone that is characterized by its striped yellow-brown coloration. It is found in metamorphic rocks all over the world, and has been used in jewelry and other decorative objects for centuries. Tiger's eye has a unique chatoyancy that gives it a "cat's eye" effect when viewed from different angles. It is believed to have mystical powers and has been used as amulets since ancient times.
Timepiece:A timepiece is any device that measures or keeps track of time. Timepieces can range from simple wristwatches to complex clocks and chronometers. They may use mechanical, electrical, or electronic mechanisms to keep track of time, and may display the time in analog or digital form. Timepieces are essential tools in many fields such as science, engineering, navigation, and aviation.
Titanium:Titanium is a chemical element with the symbol Ti and atomic number 22. It is a lustrous transition metal with a silver color, low density, and high strength. Titanium is resistant to corrosion in sea water, aqua regia, and chlorine.
Toe Ring:A toe ring is a ring made out of metals and non-metals worn on any of the toes. The second toe of either foot is where they are worn most commonly. In many cultures, women wear them because it is considered attractive. Toe rings have been a part of many cultures since ancient times. In some countries a toe ring is an auspicious symbol signifying the wearer's marriage status. Wearing of toe rings is practiced by Hindus as well as Muslims in India. (2)
Toggle Clasp:A toggle clasp is a fastener used to secure two ends of a piece of jewelry or other object. It consists of a bar with a ring at each end, which passes through loops on the two ends of the object to be fastened. The toggle clasp was first used in the late 19th century as an alternative to the more common spring-ring clasp. (3)
Tone:In gemology, tone refers to the degree of lightness or darkness of a color. The tone of a color can range from very light (also called pale) to very dark (also called deep). The most important factor affecting tone is the amount of light that is reflected from the surface of the gemstone. The more light that is reflected, the lighter the tone will be; the less light that is reflected, the darker the tone will be. Tone can also be affected by other factors such as saturation (the purity or intensity of color) and hue (the basic color). (4)
Topaz is a mineral that has a wide range of colors, from pale yellow to deep brown. The most common color of topaz is yellow. It can also be found in shades of orange, pink, red, and blue. Topaz is a hard mineral with a Mohs hardness of 8. It has a vitreous luster and a good cleavage.
Total weight (or total carat weight) is the weight of all the diamonds or other gemstones in a piece of jewelry. For example, if a ring has two diamonds that each weigh 0.50 carats, the total weight would be 1.00 carat.
Toughness is the ability of a material to resist breaking or shattering when hit with force. A material that is very tough may bend or dent instead of breaking. Diamond is the toughest known natural material, while jadeite is one of the toughest gemstones.
Tourmaline:Tourmaline is a semi-precious gemstone that comes in a wide variety of colors. It is found in many different parts of the world, but most notably in Brazil, Africa, and the United States. Tourmaline is known for its unique coloration, which can range from deep green to pink to blue. It is also one of the few gemstones that can be found in all three primary colors: red, yellow, and blue.
Trachyte:Trachyte is an igneous rock that is composed of alkali feldspar and plagioclase. It is usually dark in color, but can also be light-colored or even pinkish. Trachyte is found in volcanic regions around the world, and is often used as a decorative stone.
Trade Codes:Trade codes are used to classify products according to their type or purpose. In Australia, there are two main trade codes: the Australian Standard Classification of Goods (ASCG) and the Customs Tariff Act 1995 (CTA). The ASCG covers a wide range of products, while the CTA covers only goods that are imported into or exported from Australia.
Translucent:Translucent materials allow light to pass through them, but do not allow a clear view. Opals are translucent, which means that they allow light to pass through them but do not allow a clear view. Translucent materials are often used in jewelry and other decorative items.
Treated Opal:Treated opal is opal that has been treated with chemicals or heat in order to improve its color or clarity. Treatment can improve the color of an opal by making it more intense or by changing its hue. Treatment can also improve the clarity of an opal by making it less cloudy or by removing inclusions.
Treatment:The term "treatment" refers to any process that alters the natural state of a gemstone. Common treatments include heating, irradiation, and dyeing. Heating is perhaps the most common treatment, as it can enhance the color of a gemstone or even change its color entirely. Irradiation can also be used to alter the color of a gemstone, but it is less common due to the potential risks involved. Dyeing is another common treatment that is used to enhance the color of a gemstone, but it should be noted that dyed gemstones are not as valuable as those that occur naturally in their desired color.
Tri-colour: A flag or other emblem consisting of three colours.
Triplet: A group of three related things, typically forming a unit or occurring together.
Triplet Opal:A triplet opal is a type of opal that has three layers. The top layer is a thin layer of clear quartz, the middle layer is the opal itself, and the bottom layer is a dark backing, usually made of black plastic or obsidian. Triplet opals are much cheaper than solid opal, as they use less of the precious opal stone. However, they are also more fragile and can easily crack or chip if not handled carefully.
Tsavorite: A green variety of garnet, typically found in East Africa.
Tungsten/Tungsten Carbide: A hard, brittle metal used in making cutting and wear-resistant tools.
Turquoise: a blue-green colour, typically light in tone and saturation. It is named after the gemstone of the same name.
Two-Tone: a style of jewellery or watch that features two different metals or colours.
Ultrasonic Cleaner: a machine that uses ultrasonic waves to clean jewellery and watches.
Untreated:An untreated opal is an opal that has not been subjected to any kind of treatment or enhancement. This means that the opal has not been heat treated, oiled, waxed or otherwise altered in any way. Untreated opals are considered to be more valuable than treated ones, as they are in their natural state.
Vermeil: gold-plated silver, typically with a thickness of at least 2.5 microns.
Vintage-Style: a style of jewellery or watch that is inspired by designs from a previous era.
Watch Band: a strap or bracelet that attaches a watch to the wrist.
Watch Movement: A watch movement is the mechanism that keeps time and displays the time on a watch. It is also known as a "calibre". The term "watch movement" refers to the inner workings of the watch, which are encased in the watch case. The movement includes the winding mechanism, mainspring, balance wheel, and escapement. These parts work together to keep time.
Water Opal:A water opal is a type of opal that has a clear or translucent body with a play of color. The term "water opal" can also refer to opals that have a milky body with a play of color. Water opals are found in a variety of colors, including white, blue, green, and red.
Water Resistant: Water resistant watches are designed to withstand exposure to water. They are not waterproof, and should not be submerged in water for extended periods of time. Water resistant watches are marked with a symbol that indicates the level of water resistance. The most common levels are 30 meters (3 ATM or 3 bar), 50 meters (5 ATM or 5 bar), 100 meters (10 ATM or 10 bar), and 200 meters (20 ATM or 20 bar).
Wax Opal:A wax opal is a type of opal that has a waxy appearance and a play of color. Wax opals are found in a variety of colors, including white, blue, green, and red.
Waxing:Waxing is the process of applying wax to the surface of an object to protect it from moisture or to give it a shine. Waxing can be done on many different types of materials, including wood, metal, glass, and plastic.
Wedding Band: A wedding band is a ring that is worn by a person who is married. Wedding bands are usually made of gold, silver, or platinum. They may be plain or adorned with diamonds or other gemstones.
Welo Opal:Welo opals are a type of opal that is found in Ethiopia. Welo opals typically have a white or light-colored body with a play of color.
Wheat Chain: A wheat chain is a type of chain that consists of interlocking links that resemble wheat kernels. Wheat chains are often made of gold or silver, and can be worn as necklaces or bracelets.
White Cliffs Opal:White Cliffs Opal is a type of opal found in the White Cliffs area of New South Wales, Australia. It is a white or very light-colored opal with a high degree of transparency. The majority of White Cliffs Opal is of the potch variety, meaning it does not display any play-of-color. However, some specimens do exhibit a faint play-of-color, usually blue or green. White Cliffs Opal is found in a wide range of body colors including white, cream, yellow, orange, pink, and red. The most valuable specimens are those with a vivid body color and a high degree of transparency.
White Diamond: A white diamond is a diamond that has no hue, or colorless. White diamonds are the most popular type of diamond used in engagement rings and other jewelry.
White Gold:White gold is an alloy of gold and at least one white metal, usually nickel, manganese or palladium. It is often used in jewellery because it does not tarnish and is harder than pure gold. White gold is also popular because it has a bright, silvery colour that goes well with diamonds and other white stones.
White Opal:A white opal is a type of opal that is predominantly white in color. It is one of the most popular and valuable types of opal, due to its unique appearance. White opals typically have a milky white body color with colorful "play-of-color" effects. These colors can include red, orange, yellow, green, blue, and violet. White opals are found in a variety of locations around the world, including Australia, Brazil, Ethiopia, and the United States.
Wood Opal:Wood opal is a type of opal found in wooded areas. It is often used in jewelry and is considered to be a semiprecious stone. Wood opals can be found in a variety of colors, including white, black, and brown.
Diamond:A diamond is a transparent crystal of tetrahedrally bonded carbon atoms. Diamonds are the hardest known natural material and have many industrial applications as well as being used in jewellery. The word diamond comes from the Greek word "adamas", meaning "invincible". Diamonds are found in kimberlites and alluvial deposits. They are also sometimes found in meteorites.
Yellow Gold:Yellow gold is an alloy of gold and at least one other yellow element, such as copper or silver. It is the traditional choice for engagement rings and other jewellery because it has a warm, golden colour that goes well with diamonds and other gemstones. Yellow gold is also popular because it does not tarnish like silver or platinum.
A Yowah nut is a type of opal found in the Yowah region of Queensland, Australia. It is a small, round, dark-colored stone with a high percentage of water content. The name "Yowah nut" comes from the Aboriginal word for "opal", which is "yowa".Yowah nuts are found in a type of rock known as ironstone. This rock is very hard and difficult to break, which makes it difficult to extract the nuts from it. The nuts are usually found near the surface of the ironstone, where they have been exposed by erosion.Yowah nuts are prized for their unique appearance and color. They are often used in jewelry and other decorative items.
Zinc: Zinc is a chemical element with the symbol Zn and atomic number 30. It is the first element in group 12 of the periodic table. In some respects zinc is chemically similar to magnesium: both elements exhibit only one normal oxidation state (+2), and the Zn2+ and Mg2+ ions are of similar size. Zinc is the 24th most abundant element in Earth's crust and has five stable isotopes. The most common zinc ore is sphalerite (zinc blende), a zinc sulfide mineral. The largest workable lodes are in Australia, Asia, and the United States. Zinc is refined by froth flotation of the ore, roasting, and final extraction using electricity (electrowinning).
Zircon: Zircon, also known as zirconium silicate, is a mineral with a wide range of applications. The world's largest deposits of zircon sands are found in Australia, Brazil, China, India, Russia, South Africa and the United States. Zircon sand is used for its physical properties including hardness, density and refractive index. It is also used as an opacifier in glazes and ceramic bodies. Other uses include foundry sand casting moulds, abrasives and refractory materials.
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