Corundum from Fremont County, Wyoming, USA
USA | |
| Rocks & Minerals 76:386 |
Rocks & Minerals 76:386 | |
[var. Sapphire] Rocks & Minerals (2001): 76: 387. | |
| [var. Ruby] Rocks & Minerals 76:386 |
USA | |
| Rocks & Minerals 76:386 |
Rocks & Minerals 76:386 | |
[var. Sapphire] Rocks & Minerals (2001): 76: 387. | |
| [var. Ruby] Rocks & Minerals 76:386 |