Perite from Cochise County, Arizona, USA
USA | |
| Anthony, John W., Williams, Sidney A., Bideaux, Richard A., Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.) University of Arizona Press, Tucson, AZ. |
| Sidney A. Williams specimen |
| Luetcke, Rolf (n.d.) Personal communication. |
Johnny Lyon Hills, Yellowstone Mining District, Cochise County, Arizona, USA