Quartz from selected localities.
USA | |
| U.S Geological Survey ,2005,Mineral Resources Data System:U.S Geological Survey, Reston,Virginia |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| cw allen collection; Rocks and Minerals (1985) 60:84-93,99 |
| Lesure,Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577 |
| [var: Smoky Quartz] Rocks & Min.: 11:57. |
Woodlawn Quarry, Woodlawn, McDowell County, North Carolina, USA