|
USA | |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
- Amelia (Amelia Court House)
| D. Grier, 1994 |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Gems and Minerals of America-Jay Ellis Ransom-1974 |
| Gems and Minerals of America-Jay Ellis Ransom-1974 |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
- Rye Valley Lead-Zinc Mining District
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Gems and Minerals of America- Jay Ellis Ransom-1974 |
| Gems and Minerals of America- Jay Ellis Ransom-1974 |