• black opal jewelry

    Black Opal – Natural, Cabochon, Blue, 31.8 ct

    Jewelry with a black opal stone, 31.8 cts. Photo © Joel E. Arem, PhD, FGA. Used with permission.

    Article: Opal Wearability and Jewelry Tips

    Credit: Joel E. Arem, PhD, FGA

    GemstoneOpal Stone, Black Opal, Precious Opal
    Natural or man madeNatural
    Carat Weight31.8
    Jewelry typeBrooch
    Gem StateCabochon
    Photo phenomenaPlay of Color