Although the spiral shells in this specimen of turritella agate from Wyoming are actually from a mollusk not from the genus Turritella, the name still applies. Photo by James St. John. Licensed under CC By 2.0.
Opaque White Agate Rough from United States
Although the spiral shells in this specimen of turritella agate from Wyoming are actually from a mollusk not from the genus Turritella, the name still applies. Photo by James St. John. Licensed under CC By 2.0.
Article: Agate Value, Price, and Jewelry Information
Credit: James St. John
| Gemstone | Quartz, Chalcedony, Agate |
| Natural or man made | Natural |
| Origin | United States |
| Origin details | North Barrel Springs Draw, south of Wamsutter, Wyoming |
| Gem State | Rough |
| Color | White |
| Transparency | Opaque |