Nsutite from Santa Cruz County, Arizona, USA
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 315 Koutz, F. (1984), The Hardshell silver, base-metal, Mn-oxide deposit, in Wilkins, J. (editor), AZ Geol. Soc. Digest: 15: 199. |
| Luetcke, Rolf (n.d.) Personal communication. |
Tres de Mayo Mine group, Fresno Canyon, Palmetto Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA