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Chalcopyrite from
Betts Manganese Mines (Anson Betts Mine; Plainfield Manganese Mines), Plainfield, Hampshire Co., Massachusetts, USA

Description
Quality of samples:	not specified / average specimens
Confirmation
Validity:	Believed Valid
References
References:	Quinn, Alonzo W. (1945). Geology of the Plainfield-Hawley area : with special reference to deposits of manganese and iron minerals (USGS Open-File Report: 45-28); "Western Massachusetts Mineral Localities" by Alan Plante, Valley Geology Press, 1992.
Data
Mineral Data:	Click here to view Chalcopyrite data
Locality Data:	Click here to view Betts Manganese Mines (Anson Betts Mine; Plainfield Manganese Mines), Plainfield, Hampshire Co., Massachusetts, USA

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