Freeform Opal Doublet C50-C70 (Large)Opal Locality: Coober Pedy, AustraliaCard Size: 36 x 46 mm -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.
Freeform Opal Doublet C50-C70 (Large)Opal Locality: Coober Pedy, AustraliaCard Size: 36 x 46 mm -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.
