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
Gemstone | ChalcedonyQuartz, |
Natural or man made | Natural |
Gem State | Specimen |
Color | Purple |
Transparency | Translucent |