Goethite from San Juan County, Colorado, USA
USA | |
| Eckhard D. Stuart collected 9/12/15 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
Econ Geol (1991) 86:768-779 |
USA | |
| Eckhard D. Stuart collected 9/12/15 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
Econ Geol (1991) 86:768-779 |