Thulite from Virginia, USA
USA | |
| Rocks & Min.: 60:165. |
Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. | |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
Rocks & Min.: 60: 165. | |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
Piney River Quarry, Piney River, Nelson County, Virginia, USA