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hematite: a primary ore of iron and a pigment mineral geology.com news rocks minerals gemstones volcanoes more topics us maps world maps store homepage articles diamonds earthquakes gemstones general geology geologic hazards gold landslides metals meteorites minerals news oil and gas plate tectonics
brazil, india, russia, ukraine, south africa, canada, venezuela, and the united states. hematite has a wide variety of other uses, but their economic significance is very small compared to the importance of iron ore. the mineral is used to produce pigments, preparations for heavy media separation, radiation...
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