| References: | Peterson, Nels P. & Swanson (1956), USGS Bull. 1027-H, Geology of the Christmas Copper Mine, Gila Co., AZ: 351, 363; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 116, 163, 190; Perry, D.V. (1969), Skarn genesis at the Christmas mine, Gila Co., AZ, Econ.Geol.: 64: 255-270; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. of Mines Bull. 153: 21. |