Top quality black opal loose stone, showing strong, flashy blue color.
Unique, beautiful Australian opal doesn't come like this very often, as you turn an opal - an electric blue & green flash will run across the surface and if you hold an opal still, the color will show the depth ... just awesome!
King of gemstones and guaranteed natural from Lightning Ridge, 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.