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.