Biotite from Gossan Lead Mining District, Southern Section-Blue Ridge Province, Carroll County, Virginia, USA
USA | |
| (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. | |
| Rocks & Min.:60:166. |
Rocks & Min.:60:166. | |
Rocks & Min.: 60:166. | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |