Tellurium from Saguache County, Colorado, USA
USA | |
| American Mineralogist (1930) 15: 272-273 Am Min 89:1043-1047 |
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
USA | |
| American Mineralogist (1930) 15: 272-273 Am Min 89:1043-1047 |
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |