Columbite-Tantalite from Virginia, USA
USA | |
| Am Min 50:231-235 |
Rocks & Min.:60:165. | |
| Rocks & Min.: 60:165. |
| Rocks & Min.: 60:165. |
Rocks & Min.: 60: 165. | |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Rocks & Min.:60:168. |
Rocks & Min.: 60:168. | |
| Rocks & Min.:60:170. |
Edenton Mine, Brokenburg, Spotsylvania County, Virginia, USA