'red on black' is something you won't easily find with low price range, this is a special offer from us, a great piece to make a ring / pendant, showing strong red as well as all other colors you can ask for. Another lovely piece of black opal 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.