• gemstone doublets - triplet layers

    Opal Stone – Assembled, Cabochon, Blue

    An opal triplet with visible layers, a clear quartz cap, a thin opal layer, and a dark background. Photo by LZ6387. Licensed under CC By-SA 4.0.

    Article: Gemstone Doublets, Triplets, and Other Assembled Stones

    Credit: LZ6387

    GemstoneOpal Stone
    Natural or man madeAssembled
    Gem StateCabochon
    Photo phenomenaPlay of Color