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[il-muh-nahyt] /ˈɪl məˌnaɪt/
a very common black mineral, iron titanate, FeTiO 3 , occurring in crystals but more commonly massive.
Origin of ilmenite
1820-30; after the Ilmen Mountains (Russian Ilʾménskie góry) in the southern Urals, where it was first identified; see -ite1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for ilmenite


a black mineral found in igneous rocks as layered deposits and in veins. It is the chief source of titanium. Composition: iron titanium oxide. Formula: FeTiO3. Crystal structure: hexagonal (rhombohedral)
Word Origin
C19: from Ilmen, mountain range in the southern Urals, Russia, + -ite1
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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ilmenite in Science
A lustrous black to brownish rhombohedral mineral that is an ore of titanium. Ilmenite occurs in igneous rocks and is one of the principal dark minerals observed in beach sands. Chemical formula: FeTiO3.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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