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USA | |
| Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources Hurst, V. J. (1955), Stratigraphy, structure, and mineral resources oft he Mineral Bluff Quadrangle: Georgia Geological Survey Bulletin 63, 137 p. |
| Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
| Rocks & Min.: 64:194. |
| Rocks & Min.: 64:194. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Shearer, H. K., Hull, J. P. D. (1918) A Preliminary Report on a Part of the Pyrites Deposits of Georgia. Bulletin 33. Geological Survey of Georgia |
Epworth, Fannin County, Georgia, USA