Psilomelane from Superior, Pinal County, Arizona, USA
USA | |
| Wilson, E.D. & G.M. Butler (1930), Manganese ore deposits in AZ, AZ Bur. Mines Bull. 127: 85-86 |
Anthony, John W., Williams, Sidney A., Bideaux, Richard A., Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.) University of Arizona Press, Tucson, AZ. Dean, et al (1952), Concentration of oxide manganese ores from vicinity of Winkleman, Pinal Co., AZ, US Bur Mines Rept. Inv. 4848. | |
Barnes, Reginald, Hay, Mark (1983) Famous Mineral Localities: the Magma Mine [Arizona]. The Mineralogical Record, 14 (2) Tucson. 72-82 Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 94. |