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Silica from
Unnamed Silica occurrence (1), O'Brien, East Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA

Description
Quality of samples:	not specified / average specimens
Confirmation
Validity:	Believed Valid
References
References:	USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10232087.
Data
Mineral Data:	Click here to view Silica data
Locality Data:	Click here to view Unnamed Silica occurrence (1), O'Brien, East Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA

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