• opal necklace - synthetic opal types

    Opal Stone – Lab-made, Cabochon, Blue

    Though the photographer doesn't mention it, this opal looks to me like a synthetic or sophisticated plastic simulant. Photo by James Petts. Licensed under CC By-SA 2.0.

    Article: Synthetic Opal Types

    Credit: James Petts

    GemstoneOpal Stone
    Natural or man madeLab-made
    Jewelry typenecklace
    Gem StateCabochon
    Photo phenomenaPlay of Color