| [var. Silver-bearing Tetrahedrite] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 373, 393 Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 60 (Table 4) Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. of Mines Bull. 153:9. Schrader (1915): 248-251 Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 251 Arizona Bureau of Mines file data |