Opal Triplet Free Form G20-G40 (Large)
Opal Locality: Coober Pedy, Australia
Card size: 36 x 46 mm
-An opal triplet is a thin veneer of precious light opal bonded to a black backing with a protective crystal dome cemented to the top, simulating black opal. The opal used in a triplet is a piece of natural opal from Coober Pedy.