Love this beautiful black opal loose with large, strong green & gold flash. The triangular shape is so lovely and makes it look distinctive, the flash pattern is super vivid, you can't take off your eyes once you see it ... guaranteed solid, 100% Australian, definitely from Lightning Ridge Opal !!
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.