Gypsum from selected localities.
USA | |
| Mineralogical Record, v. 28, no. 1, 1997 |
Mineralogical Record (1997) 28:3-49 | |
| Mineralogical Record (1997) 28:3-49 |
USA | |
| Mineralogical Record, v. 28, no. 1, 1997 |
Mineralogical Record (1997) 28:3-49 | |
| Mineralogical Record (1997) 28:3-49 |