Midnight blue covellite cabochon, 249 cts, 73.7 mm length, Leonard Mine, Butte, Montana. © 49erMinerals. Used with permission.
Opaque Blue Covellite, 249 ct Cabochon from United States
Midnight blue covellite cabochon, 249 cts, 73.7 mm length, Leonard Mine, Butte, Montana. © 49erMinerals. Used with permission.
Article: Covellite Value, Price, and Jewelry Information
Credit: 49erMinerals
| Gemstone | Covellite |
| Natural or man made | Natural |
| Origin | United States |
| Origin details | Leonard Mine, Butte, Montana |
| Carat Weight | 249 |
| Height | 73.7 |
| Gem State | Cabochon |
| Color | Blue |
| Transparency | Opaque |