• Topaz and zircon - Gemstone heat treatments

    Topaz – Natural, Cabochon, Blue

    "Bluebird Necklace," Swiss Blue topaz and zircon. Photo by Marianne Madden. Licensed under CC By-SA 2.0.

    Article: A Beginner’s Guide To Common Gemstone Heat Treatments

    Credit: Marianne Madden

    GemstoneTopaz
    TreatmentsHeat Treatment
    Natural or man madeNatural
    Jewelry typenecklace
    Gem StateCabochon
    ColorBlue
    TransparencyTransparent