Rock Crystal from selected localities.
USA | |
| Rocks & Min.: 16:279. |
| Rocks & Min.: 12: 141-143. |
Schooner, Richard. (1955): 90 Minerals from 1 Connecticut Hill. Rocks & Minerals: 30(7-8): 351-8. |
USA | |
| Rocks & Min.: 16:279. |
| Rocks & Min.: 12: 141-143. |
Schooner, Richard. (1955): 90 Minerals from 1 Connecticut Hill. Rocks & Minerals: 30(7-8): 351-8. |