Azurite from Fremont County, Colorado, USA
USA | |
| Am Min 50:1179-1212 |
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. C.R. Carnein collection | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
Pearl, 1958. Colorado Gem Trails & Mineral Guide | |
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
Devil's Hole Mine, Fremont County, Colorado, USA