Stilpnomelane from Washington, USA
USA | |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
| Micro Probe Volume VII Number 3 Spring 1996 |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
Blanchard Hill, Skagit County, Washington, USA