• crystallography - equant quartz with hexagonal pyramidal terminations

    Quartz – Natural, Specimen, Red

    These equant quartz crystals have hexagonal pyramidal terminations. These are just some of the crystallographic terms gemologists can use to describe crystalline gem materials. Orange River, Namibia. © Rob Lavinsky, www.iRocks.com. Used with permission.

    Article: Descriptive Crystallography for Gemologists

    Credit: www.iRocks.com

    GemstoneQuartz
    Natural or man madeNatural
    OriginNamibia
    Origin detailsOrange River
    Gem StateSpecimen
    ColorRed
    TransparencyTranslucent