|
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Griffitts, Wallace R. and Olson, Jerry C.,(1953) Mica Deposits of the Southeastern Piedmont, Part 7 and Part 8 :USGS Professional Paper 248-E Griffitts, W. R., 1953, Hartwell District, Georgia and South Carolina, Part 7 of Mica deposits of the southeastern Piedmont: U. S. Geological Survey Professional Paper 248-E, part IV 309-310 and plate 25. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Rocks & Min.: 64:197 |
| Griffitts, Wallace R. and Olson, Jerry C.,(1953) Mica Deposits of the Southeastern Piedmont, Part 7 and Part 8 :USGS Professional Paper 248-E |
| (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. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |