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USA | |
| Calver, James L. (1962) Geology and Mineral Resources of Albemarle County. Bulletin 77. Virginia Division of Mineral Resources Bulletin 77. |
| Rocks & Minerals: 60: 165. |
| 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. |
- Southern Section-Blue Ridge Province
- Gossan Lead Mining District
| 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. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
- Southern Section-Blue Ridge Province
- Gossan Lead Mining District
- New River at Hampton Ford
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Penick, D. (1985) Virginia Mineral Locality Index. Rocks & Minerals: 60(4): 164-170 (167). |
| Dana 6: 1072. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Frank, D., & Edmond, L. (2001). Feasibility for Identifying Mineralogical and Geochemical Tracers for Vermiculite Ore Deposits. US Environmental Protection Agency, Region 10. |
- Northern Section-Blue Ridge Province
| 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. |
- Northern Section-Blue Ridge Province
| (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. |