What is Hematite......
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Haematite :reddish-black mineral consisting of ferric oxide. It is an important ore of iron.Hematite is harder than pure iron, but much more brittle.
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Hematite, also spelled as haematite, is the mineralform of iron(III) oxide (Fe2O3), one of several iron oxides. It is the oldest known iron oxide mineral that has ever formed on earth, and is widespread in rocks and soils.Hematite crystallizes in the rhombohedral lattice system, and it has the same crystal structure as ilmenite and corundum. Hematite and ilmenite form a complete solid solution at temperatures above 950 °C (1,740 °F).
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