Beautiful, pretty, lovely, wonderful, superbly 'desirable' !! This is an opal you've been looking for. See the video and it will tell you all ... very hard to find a quality like this in this price rang.
Top quality black opal like this can only be 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.