Jarosite from selected localities.
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 262; Schrader, F.C. (1917), The geologic distribution and genesis of the metals in the Santa Rita-Patagonia Mountains, AZ, Econ.Geol., 12: 237-269. |
| Rolf Luetcke |
Eclipse Mine group, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA