My very favorite opal !!!! Hopefully it will become your favorite too !!!! (^^) Please see the video and you'll instantly understand why this piece is super gorgeous. High quality natural Australian black opal is only to 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.