Perthite from South Carolina, USA
USA | |
| Griffitts, Wallace R. and Olson,Jerry C. (1953) Mica Deposits of the Southeastern Piedmont-Part 7 and Part 8 :USGS Paper 248-E |
| (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 Paper 248-E |