• denver gem show - grape agate

    Chalcedony

    Purple chalcedony, often called grape agate, forms in a lovely botryoidal habit. © Indoagate.com. Used with permission.

    Article: Denver Gem & Mineral Showcase 2017

    Credit: Indoagate.com

    GemstoneChalcedonyQuartz,
    Natural or man madeNatural
    Gem StateSpecimen
    ColorPurple
    TransparencyTranslucent