Watch this video on how opal formed over millions of years!
Play-of-Color
This is a light opal cabochon from Australia. The play-of-color is opal’s phenomenon. In this gem, there are flashes of orange and green against a grayish bodycolor. - Photo by Robert Weldon/GIA
Milky Beads
These light-colored opal beads have a milky look with many dead spots. These “dead spots” have no play-of-color. - Photo by Valerie Power/GIA, courtesy Andrew Cody, Cody Opal
The bright opals from this necklace are from Lightning Ridge, Australia, a famous opal producing area. The necklace is named "The Path of Enlightenment” and has 180 opals! - Photo courtesy Cody Opal
Black Opal
This black opal shows a great play-of-color against a black background. - Photo courtesy Cody Opal
Fire Opals
Fire opals often come in yellow, orange, and reddish orange. - Photo by Robert Weldon/GIA
Australian Opal
This is a very nice light opal from Australia's Coober Pedy opal fields. - Photo by Valerie Power/GIA, courtesy Andrew Cody, Cody Opal
Rough Sample
This rough sample is a thin layer of boulder opal on sandstone host rock. The opal on the right was cut from a similar piece of rough sample. - Photo by Robert Weldon/GIA
Harlequin Pattern
Look how beautiful and transparent this opal is. It's harlequin pattern displays a wild-looking play-of-color. A harlequin pattern displays colors of irregular or uneven shapes. - Photo by Robert Weldon/GIA
