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Cosgrove Mine, Calaveras Co., California, USA

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Detailed Mineral List:

Gold
Formula:	Au
Reference:	U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.







Pyrite
Formula:	FeS₂
Reference:	U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.







Quartz
Formula:	SiO₂
Reference:	U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

3 entries listed. 3 valid minerals.

References

CRAWFORD, J. J., 1896 , CALAVERAS COUNTY: 13TH REPT. STATE MIN.; CALIF. MIN. BUR. P 10

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Jobs in California, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 7th Jan 2012 00:07:53