Purple chalcedony, often called grape agate, forms in a lovely botryoidal habit. Indoagate.com. Used with permission.
Translucent Purple Chalcedony Specimen
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 | Quartz, Chalcedony |
| Natural or man made | Natural |
| Gem State | Specimen |
| Color | Purple |
| Transparency | Translucent |