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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. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Robert Bowell and Rolf Luetcke |
| Minrecord 24:421-436 Mineralogical Record 24:421-436 |
| "The Accidental Pocket" talk presented by Robert E. Walstrom at 2012 NCMA meeting. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 343. |
| 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.: 343 Hewett, D.F. & M. Fleischer (1960), Deposits of the manganese oxides, Econ.Geol.: 55: 1-55 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 72. Butler, B.S., et al (1938b), Geology and ore deposits of the Tombstone district, AZ, AZ Bur. Mines Bull. 143 |
| Rob Bowell, lab tested |
| Rob Bowell |
| Robert PECORINI collection |
Unnamed prospects, Juniper Flats, Bisbee, Cochise County, Arizona, USA