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Date: 2012-05-29 14:52:32Ferromagnetic materials Transition metals Mining in the Democratic Republic of the Congo Cobalt Mopani Copper Mine Mukondo Mine Nickel Gécamines Eurasian Natural Resources Corporation Mining Chemical elements Dietary minerals | 2010 Minerals Yearbook COBALT [ADVANCE RELEASE] U.S. Department of the Interior U.S. Geological SurveyAdd to Reading ListSource URL: minerals.usgs.govDownload Document from Source WebsiteFile Size: 95,22 KBShare Document on Facebook |