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A lustrous black to brownish titanium ore, essentially FeTiO3.

[After the Ilmen Mountains, a range of the southern Ural Mountains.]


(Minerals) 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)
[C19: from Ilmen, mountain range in the southern Urals, Russia, + -ite1]


(ˈɪl məˌnaɪt)

a common black mineral, iron titanate, FeTiO3, an ore of titanium.
[1820–30; after the Ilmen Mountains in the S Urals, where first identified; see -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ilmenite - a weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium
atomic number 22, Ti, titanium - a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
References in periodicals archive ?
It has been recommended by the lab to microprobe the probable G9/10 portion of the pyropes plus representative picro- ilmenites and chromites from all the samples as these can indicate the probability and abundance of diamonds in the respective kimberlite bodies.
Prior work by Motapa in this project area has recovered 22 microdiamonds, in association with numerous kimberlitic ilmenites, from both high-energy streams and low energy deflation surfaces.
Kimberlitic ilmenites and garnets were also recovered in the Guma area as a result of a 5 x 5 kilometer regional grid sampling campaign and previous direct sampling over target magnetic anomalies.
The microprobe analyses of the kimberlitic ilmenites extracted from the A12 samples collected during the 2003 drilling program define a diamond preservation potential index of 0.
Guzman supervised various research programs on sand beach ilmenites, which included the assessment of operating and cost parameters on both smelting new sand beach ilmenite ores and upgrading sand beach ilmenite through synthetic rutile processes.
Two principal diamond indicator mineral trains have been identified by prior exploration on the property; the Wheeler Lake and Bessonette trains are defined by G-10 garnets, ilmenites and chromites that are chemically compatible with the diamond stability field.
Kimberlitic indicator minerals have been successfully recovered from many of the samples, and although electron microprobing is not yet complete, it has confirmed the kimberlitic provenance for a number of grains, including 250 ilmenites in a single sample.
Significant quantities of pyrope garnets, ilmenites and chromites have been observed from the northern part of the permit area which is interpreted to be of kimberlitic origin.
Two principal diamond indicator mineral trains, the Wheeler Lake and Bessonette Lake trains that are defined by G-10 garnets, ilmenites and chromites chemically compatible with the diamond stability field, have been identified by prior exploration on the property.
inclusion compositions as well as Ti chromites, Mn ilmenites,
Ilmenite is the most common form of titanium concentrate, however many ilmenites have impurities which preclude their use in paint and pigment applications.