Amazing offer, this 'rainbow colored' boulder opal loose stone is super pretty.
Make a nice opal ring with this lovely, natural / solid Australian boulder opal loose found from Quilpie, Queensland, 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.