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Psilomelane from
Marquette & Arizona Mine (Marquette-Arizona group; Marquette group of claims), Bisbee area, Warren District, Mule Mts, Cochise Co., Arizona, USA

Description
Comments:Comprises a vein of pure material to 9 inches (22.5 cm) wide and in surrounding conglomerate.
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, AZ: 88 (Table 4); Wilson, E.D. & G.M. Butler (1930), MAnganese ore deposits in AZ, AZ Bur. Mines Bull. 127: 44-45; Jones, E.L., Jr. & F.L. Ransome (1920), Deposits of manganese ore in Arizona, USGS Bull. 710-D: 112-113.
Data
Mineral Data:Click here to view Psilomelane data
Locality Data:Click here to view Marquette & Arizona Mine (Marquette-Arizona group; Marquette group of claims), Bisbee area, Warren District, Mule Mts, Cochise Co., Arizona, USA
Mineral and/or Locality
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