I am double sided, I am large, I am special and you will LOVE me for sure. ^^ ... Hear its whispering to you ? An extra-ordinery quality crystal 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.