| References: | Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 127 (Table 4); Schrader (1915): 137-138; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 224; Hewett, D.F. (1964), Veins of hypogene manganese oxide minerals in the southwestern United States, Econ.Geol.: 59: 1429-1472; Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 138; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 43; Arizona Bureau of Mines file data. |
