Magnetite Fe3O4, Cerro Huanaquino, Potosi Department, Bolivia
Magnetite Fe3O4, with Epidote, Dashkesan Deposit, Maly Caucasus, Koshkarchai Valley, Azerbaijan
Magnetite Fe3O4, with Hedenbergite, Ginevro Mine, Capoliveri, Elba Island, Liverno Province, Italy
Magnetite Fe3O4, ZCA No. 4 Mine, Balmat, St. Lawrence Co., New York
Magnetite Fe3O4, with Pyrite, Champion Mine, Champion, Marquette Co., Michigan
Magnetite Fe3O4, in Calcite, Beaver Co., Utah
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