Thulite from
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. |
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. |