|
USA | |
| Owens, B.E.,Belkin, H.E., and Zerolis, J.M (2013) Margarite, Corundum, Gahnite, and Zincohogbomite in a blackwall, Raleigh Terrane, Eastern Piedmont Province, USA :Mineralogical Magazine, Oct 2013, Vol. 77 (7) pp. 2913-2929 |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
- Southern Section-Blue Ridge Province
| (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. |