Goldfieldite from San Juan Mountains, USA
USA | |
| Robert C. Smith II Ph.D. P.G. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Desor J. (2017) SEM-EDS analysis on sulphide |
Creede Mining District, Mineral County, Colorado, USA