|
USA | |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey |
| Pegau, Arthur A. (1932) Pegmatite Deposits of Virginia. Bulletin 33. Virginia Geological Survey Bulletin 33. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Rocks & Min.: 60:165. |
- Southern Section-Blue Ridge Province
- Gossan Lead Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |