Dioptase from Cochise County, Arizona, USA
USA | |
| Graeme, R. (1993) Bisbee revisited. The Mineralogical Record: 24: 421-436. |
Graeme, Richard W. (1981) Famous Mineral Localities: Bisbee, Arizona. The Mineralogical Record, 12 (5) 258-319 | |
| Luetcke, Rolf (n.d.) Personal communication. |
| Robert Jenkins Raman Spectroscopy |
Bisbee, Cochise County, Arizona, USA