• Appearance before and after smoke treatment - opal treatments

    Opal Stone

    Appearance before and after smoke treatment.

    Article: Opal Treatments: How to Detect Treated Opals

    GemstoneOpal Stone
    TreatmentsHeat Treatment
    Natural or man madeNatural
    Gem StateCabochon
    ColorColorlessBlack,
    TransparencyTranslucent
    Photo phenomenaPlay of Color