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Date: 2011-05-16 15:00:34Ferromagnetic materials Transition metals Economic geology Cobalt Nickel Mukondo Mine Talvivaara Mining Company Mopani Copper Mine Gécamines Mining Chemical elements Dietary minerals | 2009 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: 117,13 KBShare Document on Facebook |