ilmenite

American  

[il-muh-nahyt] / ˈɪl məˌnaɪt /

noun

1. a very common black mineral, iron titanate, FeTiO 3 , occurring in crystals but more commonly massive.

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ilmenite British  

/ ˈɪlmɪˌnaɪt /

noun

1. 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)

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ilmenite Scientific  

/ ĭl′mə-nīt′ /

1. 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: FeTiO ₃ .

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Etymology

Origin of ilmenite

1820–30; after the Ilmen Mountains ( Russian Ilʾménskie góry ) in the southern Urals, where it was first identified; see -ite ¹

Example Sentences

Models suggest that the last dregs of the magma ocean crystallized into dense minerals including ilmenite, a mineral containing titanium and iron.

From Science Daily • Apr. 8, 2024

He pointed to Bluejay’s plans to begin mining ilmenite, an ore that contains titanium, from a site hundreds of miles north of Narsaq.

From New York Times • Oct. 1, 2021

Native gold, native platinum, zircon, ilmenite, rutile, magnetite, diamonds, and other gemstones can be found in placers.

From Textbooks • Jan. 1, 2017

Before leaving China, Ren traded "specialty" metals like tungsten, molybdenum and ilmenite.

From Reuters • Aug. 25, 2013

Rutile and ilmenite both have high specific gravity and are little affected by weathering.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)