Cornubite from Mazatzal Domain, North America Plate
USA | |
| Collection by Bruce J. Murphy 1982. Analyzed Dr. Sid Williams. |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. NMBMGMR Open-file Report - 532 |
Hardshell Mine, Hardshell Gulch, Harshaw, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA