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hematite

[ hee-muh-tahyt, hem-uh- ]

noun

  1. a very common mineral, iron oxide, Fe 2 O 3 , occurring in steel-gray to black crystals and in red earthy masses: the principal ore of iron.


hematite

/ ˈhɛmətaɪt; ˈhɛmətaɪt; ˌhiː-; ˈhiːm-; ˌhɛməˈtɪtɪk /

noun

  1. 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: Fe 2 O 3 . Crystal structure: hexagonal (rhombohedral) Also callediron glance
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


hematite

/ mə-tīt′ /

  1. A reddish-brown to silver-gray metallic mineral. Hematite occurs as rhombohedral crystals, as reniform (kidney-shaped) crystals, or as fibrous aggregates in igneous, metamorphic, and sedimentary rocks. It is the most abundant ore of iron, and it is usually slightly magnetic. Chemical formula: Fe 2 O 3 .


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Derived Forms

  • hematitic, adjective
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Other Words From

  • he·ma·tit·ic [hee-m, uh, -, tit, -ik, hem-, uh, -], adjective
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Word History and Origins

Origin of hematite1

1535–45; < Latin haematītes bloodstone < Greek haimatī́tēs ( lithós ) bloodlike (stone). See hemat-, -ite 1
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Word History and Origins

Origin of hematite1

C16: via Latin from Greek haimatitēs resembling blood, from haima blood
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Example Sentences

An iron oxide called hematite improves tone, and acetylglucosamine, an enzyme derived from sugar, exfoliates for extra glow.

Ferruginous masses, probably consisting of brown hematite, come also from this island.

The ore used was from Bilbao, and known as the Ruby Mine, and was a good average hematite.

Papa says the Craven mines are remarkable, the new one with all that hematite is a fortune by itself.

The streak of limonite is yellow, thus distinguishing it from hematite.

He takes the softest hematite, grinds it upon a porphyry slab; and then carefully elutriates it.

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