Another great offer from us, this is a natural, popular red range Australian black opal loose stone with great play of color, and should be nice making a ring due to its good size and shape, with high cabochon. Only to be 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.