Pyromorphite from Buckingham County, Virginia, USA
USA | |
| Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 371-384 |
Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
USA | |
| Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 371-384 |
Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |