[ il-muh-nahyt ]
/ ˈɪl məˌnaɪt /


a very common black mineral, iron titanate, FeTiO3, 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 Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ilmenite

British Dictionary definitions for ilmenite


/ (ˈɪlmɪˌnaɪt) /


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: FeTiO 3 . Crystal structure: hexagonal (rhombohedral)

Word Origin for ilmenite

C19: from Ilmen, mountain range in the southern Urals, Russia, + -ite 1
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

Science definitions for ilmenite


[ ĭlmə-nīt′ ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.