To see a video of this opal please click on link https://www.instagram.com/p/CYbRAy3vuQa/
This rectangular shaped natural Australian boulder opal is from our mine in western Queensland. This opal has a rolling green/blue flash across the face of this opal. It has a slight cabachon face.
Stone size: 11.7mm long x 7mm wide x 3.2mm thick and weighs 2.50cts