Psilomelane from Vermont, USA
USA | |
| F. Rutley: "Elements of Mineralogy", 12th Ed. (1900) |
F. Rutley: "Elements of Mineralogy", 12th Ed. (1900) | |
| Morrill & Chaffee, 1957. VT Mines & Mineral Localities |
USA | |
| F. Rutley: "Elements of Mineralogy", 12th Ed. (1900) |
F. Rutley: "Elements of Mineralogy", 12th Ed. (1900) | |
| Morrill & Chaffee, 1957. VT Mines & Mineral Localities |
Brandon, Rutland County, Vermont, USA