Hornblende Root Name Group from selected localities.
USA | |
| Penick Jr., D.A. (1985) Virginia, Mineral Locality Index. Rocks & Minerals: 60(4): 164-170 (167). |
Minerals of Virginia 1990 by R. V. Dietrich |
USA | |
| Penick Jr., D.A. (1985) Virginia, Mineral Locality Index. Rocks & Minerals: 60(4): 164-170 (167). |
Minerals of Virginia 1990 by R. V. Dietrich |