Chalcophanite from California, USA
USA | |
| XRD determination by Dr. Anthony Kampf. |
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Mineralogical Record (1977): 8: 432. Van Nostrand Reinholt Press: 168 |
| Dr. Housley, R., 2018, pers. comm. |
Mohawk Mine, Mohawk Hill, Clark Mountain District, Clark Mts, San Bernardino County, California, USA