Cryptomelane from selected localities.
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 195; Davis, S.R. (1975), The Hardshell silver deposit, Harshaw mining district, Santa Cruz Co., AZ (abs.), Sympos. New Mexico Geol. Soc. and AZ Geol. Soc. Abs. with Progs: 6. |
| MRDS database Dep. ID file #10048336. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 195; Fleischer, M. & W.E. Richmond (1943), The manganese oxide minerals: A preliminary report, Econ.Geol.: 38: 269-286; |
Salvador Mine, Hermosa group, Hardshell Gulch, Harshaw, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA