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| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 354, 415
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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.
Merwin, H. E., F.Posnjak, (1937) Sulphate incrustations in the Copper Queen Mine, Bisbee, Arizona. American Mineralogist, 22 (5) 567-571 |
Magma Mine, Superior, Pinal County, Arizona, USA