Covellite from Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| USGS Bulletin 1032-C (Drake,1957) U.S. Geological Survey Bulletin 1032-C |