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O'Brien Reserve Bu-14 Prospect (Butler Brothers; Hanna Mining Company Agt), Mesabi Range, Itasca Co., Minnesota, USA

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List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A₂X₃
Hematite	4.3.1.2	Fe₂O₃
Group 7 - MULTIPLE OXIDES
AB₂X₄
Magnetite	7.2.2.3	Fe²⁺Fe³⁺₂O₄
Unclassified Minerals
Quartz var: Chert	-	SiO₂

3 entries listed. 3 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: 7th Jul 2011 11:03:11