Opal Doublet/Triplet Examples.
Opal Doublet/Triplet Examples.

A triplet is a kind of composite stone that combines three parts. A good example is the opal triplet which often is an ironstone backing dressed with a slice of precious opal that is covered by a crystal cabochon. In this way, the opal is protected by wear and tear by the dome, and its jewelry life is prolonged.

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