Empressite from Colorado, USA
USA | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
Thompson, R. M. (1949) The telluride minerals and their occurrence in Canada. American Mineralogist, 34 (5-6) 341-382 | |
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. | |
| Thorne, Brent (n.d.) Personal communcation. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Am Min 49 (1964), 325 American Mineralogist (1930) 15: 272-273 |
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
Empress Josephine Mine, Bonanza, Bonanza Mining District, Saguache County, Colorado, USA