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A black or blackish-red to brick-red mineral, essentially Fe2O3, the chief ore of iron.
[Middle English emathite, ematites, from Latin haematītēs, from Greek (lithos) haimatītēs, bloodlike (stone), from haima, haimat-, blood.]
he′ma·tit′ic (-tĭt′ĭk) adj.
(Minerals) a red, grey, or black mineral, found as massive beds and in veins and igneous rocks. It is the chief source of iron. Composition: iron (ferric) oxide. Formula: Fe2O3. Crystal structure: hexagonal (rhombohedral). Also called: iron glance
[C16: via Latin from Greek haimatitēs resembling blood, from haima blood]
hematitic, haematitic adj
a mineral, ferric oxide, Fe2O3, occurring in brilliant black crystals and in earthy masses: the principal ore of iron.
[1535–45; < Latin haematītēs bloodstone < Greek haimatitēs (lithós) bloodlike (stone). See hemato-, -ite1]
he`ma•tit′ic (-ˈtɪt ɪk) adj.
A reddish-brown to silver-gray mineral consisting of iron oxide. Hematite occurs in igneous, metamorphic, and sedimentary rocks and is the most abundant iron ore. It is usually slightly magnetic.
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|Noun||1.||hematite - the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form|
emery - a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)
iron ore - an ore from which iron can be extracted