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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. |
- Patagonia Mining District
| (1915) Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona. Bulletin Vol. 582. US Geological Survey doi:10.3133/b582 |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 119. Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 12. Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, AZ, USGS Bull. 582: 329 Guild, F.N. (1910), The mineralogy of Arizona, The Chemical Publishing Co., Easton, PA Struthers (1904) Warren, C.H. (1903), Native Arsenic from Arizona, Amer. Jour. Sci.: 16: 337-340 |