Psilomelane from Mammoth Mining District, Pinal County, Arizona, USA
USA | |
| MRDS database Dep. ID #10039505 MRDS ID #M050183. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 129, 339 Schwartz, G.M. (1953), Geology of the San Manuel copper deposit, Arizona, USGS PP 256. |
Mammoth, Mammoth Mining District, Pinal County, Arizona, USA