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Message * Articles On Oxide Minerals, including Corundum, Hematite, Spinel, Sapphire, Rutile, Uraninite, Ruby, Chrysoberyl, Limonite, Anatase, Goethite, Coltan, Pyrochlore, Columbite, Ilmenite, Baddeleyite, Euxenite, Brookite, Leucoxene, Lodestone - 1243191287 - 9781243191281