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Loon Lake Occurrence, Cook Co., Minnesota, USA

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Detailed Mineral List:

Chalcopyrite
Formula:	CuFeS₂
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.

2 entries listed. 2 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Minnesota, 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: 30th Jun 2011 08:44:38