Opal Doublet D Free FormOpal Locality: Coober Pedy, AustraliaSize: Mixing size free form -An opal doublet is a layer of precious light opal bonded to an ironstone backing. The opal we used is from Coober Pedy; the ironstone we used is from Queensland.
Opal Doublet D Free FormOpal Locality: Coober Pedy, AustraliaSize: Mixing size free form -An opal doublet is a layer of precious light opal bonded to an ironstone backing. The opal we used is from Coober Pedy; the ironstone we used is from Queensland.