Natural black opal loose stone with beautiful blue / green colour, and a touch of violet.
This piece of gem has a very dark, perfect potch, pretty shape and smooth feeling ... guaranteed natural, 100% Australian.
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.