'RED BLACK OPAL' doesn't come by everyday. This is a great offer from us, a large size black opal loose with nice original shape, the pattern is just like 'floral' so pretty to look at, so clean .. you will feel happy and lucky to have it in your hand. Another gorgeous piece of black opal found at Lightning Ridge, NSW, Australia, guaranteed natural.
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.