| References: | Peterson, Nels P. & Swanson (1956), USGS Bull. 1027-H, Geology of the Christmas Copper Mine, Gila Co., AZ: 363; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 113, 225; Perry, D.V. (1969), Skarn genesis at the Christmas mine, Gila Co., AZ, Econ.Geol.: 64: 255-270; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 59.; Eastlick, J.T., 1968, Geology of the Christmas mine and vicinity, Banner mining district, Arizona, in Ridge, J.D., ed., Ore Deposits of the United States, 1933?1967: American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc., p. 1191-1210. |