• lapis lazuli - hot point testing

    Lapis Lazuli – Natural, Bead, Blue

    Lapis lazuli ring. Photo by Strangell. Licensed under CC By-SA 2.0.

    Article: Destructive Gemstone Tests: Hot Point Testing

    Credit: Strangell

    GemstoneLapis Lazuli, Lazurite, Haüyne
    Natural or man madeNatural
    Jewelry typeRing
    Gem StateBead
    ColorBlue
    TransparencyOpaque