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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. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 122. |
| Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 122 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 53. Guild, F.N. (1910), The mineralogy of Arizona, The Chemical Publishing Co., Easton, PA Ransome, F.L. (1904), The geology and ore deposits of the Bisbee quadrangle, AZ, USGS PP 21: 110 Kunz, G.F. (1885), On remarkable copper minerals from AZ, Annals N.Y. Acad. Sci.: 3: 275-278 |
| King, Van (n.d.) Personal communcation. |
| Dana 6:1093. |
Bisbee, Cochise County, Arizona, USA