Hematite from Alma Mining District, Park County, Colorado, USA
USA | |
| Collector's Edge Minerals Inc |
Bartos, P.J., Nelson, E.P., and Misantoni, D. (2007): Mineralium Deposita 42, 235-250. |
USA | |
| Collector's Edge Minerals Inc |
Bartos, P.J., Nelson, E.P., and Misantoni, D. (2007): Mineralium Deposita 42, 235-250. |