| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 166; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Short, M.N., et al (1943), Geology and ore deposits of the Superior mining area, AZ, AZ Bur. Mines Bull. 151; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull 153: 19; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 93. |