| Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. of Mines Bull. 153: 30 |
Holbrook Mine, Copper Queen Mine, Queen Hill, Bisbee, Cochise County, Arizona, USA