refining ron mineral

  • ores and minerals

    USGS Minerals Information: Iron Ore USGS Mineral Resources Iron ore is a mineral substance which, when heated in the presence of a reductant, will yield ...

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  • Iron Wikipedia

    Significant amounts of iron occur in the iron sulfide mineral pyrite (FeS 2), ... In 1783 he patented the puddling process for refining iron ore.