hematite
a very common mineral, iron oxide, Fe2O3, occurring in steel-gray to black crystals and in red earthy masses: the principal ore of iron.
Origin of hematite
1Other words from hematite
- he·ma·tit·ic [hee-muh-tit-ik, hem-uh-], /ˌhi məˈtɪt ɪk, ˌhɛm ə-/, adjective
Words Nearby hematite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use hematite in a sentence
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.
Helen Grant's Schooldays | Amanda M. DouglasThe 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.
A Dictionary of Arts, Manufactures and Mines | Andrew Ure
British Dictionary definitions for hematite
haematite (ˈhɛmətaɪt, ˈhiːm-)
/ (ˈhɛmətaɪt) /
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 called: iron glance
Origin of hematite
1Derived forms of hematite
- hematitic or haematitic (ˌhɛməˈtɪtɪk, ˌhiː-), adjective
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
Scientific definitions for hematite
[ hē′mə-tīt′ ]
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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