Top quality Australian black opal loose stone with multicolor ... this is a very unique and a beautiful piece of gem, found at Lightning Ridge, NSW, Australia.
The whole face is showing 'pinfire pattern' or 'firework pattern' or 'aboriginal art pattern' - you can call it anything but it's extremely beautiful, that's for sure. Nice size for ring / pendant, great oval shape makes it easy to set into a lovely opal jewelry. Guaranteed 100% natural.
Describes the arrangement of opal's play of colour. Please see Learn About Opal to understand more.