Torbernite from Yancey County, North Carolina, USA
USA | |
| Miller, J.W. and Allen, C.W. "Mineralogy of the Ray Mica Mine, Yancey County, North Carolina." UNCA, 2001. (to be published by NCGS) |
| Lesure, Frank Gardner (1968) Mica deposits of the Blue Ridge in North Carolina. Professional Paper 577. US Geological Survey doi:10.3133/pp577 |
| Rocks and Minerals (1985) 60:84-93,99 |
| www.excaliburmineral.com |
Carolina Mineral Company No. 20 Mine, Crabtree Creek, Yancey County, North Carolina, USA