Jasper (Quartz): “Picture Jasper,” Oregon (cabochon ~ 30 x 40 mm). Photo © Joel E. Arem, PhD, FGA. Used with permission.
Opaque White Chalcedony Cabochon from United States
Jasper (Quartz): "Picture Jasper," Oregon (cabochon ~ 30 x 40 mm). Photo © Joel E. Arem, PhD, FGA. Used with permission.
Article: Jasper Value, Price, and Jewelry Information
Credit: Joel E. Arem, PhD, FGA
| Gemstone | Quartz, Chalcedony, Jasper |
| Natural or man made | Natural |
| Origin | United States |
| Origin details | Oregon |
| Height | 40 |
| Width | 30 |
| Gem State | Cabochon |
| Color | White, Brown |
| Transparency | Opaque |
| Multi-color | Bi-color |