What would you call this amazing pattern? A lizard? a snake? a crocodile pattern or something else? Vivid colors of green and gold, high cabochon, a unique marquis shape, dark body with no sands or cloudy area ... just perfect. Make a ring with this quality opal loose and you'll capture everyone's heart. Natural, Australian black opal loose stone found at Lightning Ridge, NSW, Australia.
The shape of opal. Our opal comes in Oval, Round, Teardrop, Square, Triangle and Free Shape.
Describes the arrangement of opal's play of colour. Please see Learn About Opal to understand more.
B1 is most desired and brightest to be seen, and B7 is most darkest / dullest of all.