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USA | |
| (1891) The minerals of North Carolina. Bulletin Vol. 74. US Geological Survey doi:10.3133/b74 Genth,Frederick Augustus.,1891,The Minerals Of North Carolina |
| Elemental, Fire Assay, Visual |
| Rocks & Min.: 24:346. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt , North Carolina : NCGS Bulletion 84 |
| (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. |
| Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt , North Carolina : NCGS Bulletion 84 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt , North Carolina : NCGS Bulletion 84 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Schmidt,Robert G.,(1985) High-Alumina Hydrothermal Systems in Volcanic Rocks ,and their Significence to Mineral Propecting in the Carolina Slate Belt:U.S Geological Survey Bulletin #1562 |
| [var. Specularite] Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt , North Carolina : NCGS Bulletion 84 |
| Rocks & Min.: 23:800-801. |