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Leach Mine (Hanna Mining Company Agt; Butler Brothers), Mesabi Range, Itasca Co., Minnesota, USA

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Detailed Mineral List:

Hematite
Formula:	Fe₂O₃
Reference:	U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.







Magnetite
Formula:	Fe²⁺Fe³⁺₂O₄
Reference:	U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.







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

3 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: 6th Jul 2011 06:40:21