Malachite from Floyd County, Virginia, USA
USA | |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. USGS Bull 470 |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
Toncrae Mine, Southern Lead, Southern Section-Blue Ridge Province, Floyd County, Virginia, USA