• heated and irradiated blue topaz

    Topaz – Natural, Faceted, Blue, 115 ct

    Blue topaz, irradiated and heated, approximately 115 cts. Photo © Joel E. Arem, PhD, FGA. Used with permission.

    Article: Topaz Value, Price, and Jewelry Information

    Credit: Joel E. Arem, PhD, FGA

    GemstoneTopaz
    TreatmentsHeat Treatment, Irradiation
    Natural or man madeNatural
    Carat Weight115
    Gem StateFaceted
    ColorBlue
    TransparencyTransparent