Aikinite from Alma Mining District, Park County, Colorado, USA
USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Patrick Haynes. ID via Tony Kampf |
USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Patrick Haynes. ID via Tony Kampf |
Sweet Home Mine, Mount Bross, Alma Mining District, Park County, Colorado, USA