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[hee-muh-tahyt, hem-uh-] /ˈhi məˌtaɪt, ˈhɛm ə-/
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.
Origin of hematite
1535-45; < Latin haematītes bloodstone < Greek haimatī́tēs (lithós) bloodlike (stone). See hemat-, -ite1
Related forms
[hee-muh-tit-ik, hem-uh-] /ˌhi məˈtɪt ɪk, ˌhɛm ə-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for hematite


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
Derived Forms
hematitic, haematitic (ˌhɛməˈtɪtɪk; ˌhiː-) adjective
Word Origin
C16: via Latin from Greek haimatitēs resembling blood, from haima blood
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
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Word Origin and History for hematite

1540s, haematites, from Middle French hematite (16c.), from Latin haematites, from Greek haimatites lithos "bloodlike stone," from haima (genitive haimatos) "blood" (see -emia). Earlier as emachite (late 14c.).

Online Etymology Dictionary, © 2010 Douglas Harper
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hematite in Science
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: Fe2O3.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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