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Pyrrhotite from
Keystone Gold District, Pennington Co., South Dakota, USA

Description
Quality of samples:	not specified / average specimens
Confirmation
Validity:	Believed Valid
References
References:	USGS Prof Paper 610 "Principal Gold Producing Districts of the United States"
Data
Mineral Data:	Click here to view Pyrrhotite data
Locality Data:	Click here to view Keystone Gold District, Pennington Co., South Dakota, USA

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Current server date and time: 24th May 2013 11:10:36