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Date: 2007-09-30 01:24:32Natural resources Phosphate minerals Samarskite- Triplite Cassiterite Chemistry Matter Oxide minerals | (Fe2+ , Mn2+ )(Nb, Ta)2O6 FerrocolumbiteAdd to Reading ListSource URL: www.handbookofmineralogy.comDownload Document from Source WebsiteFile Size: 109,98 KBShare Document on Facebook |