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ilmenite |
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ilmenite [ˈɪlmɪˌnaɪt] n (Earth Sciences / 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) [from Ilmen, mountain range in the southern Urals, Russia, + -ite1]
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The composition of the ilmenites recovered would indicate that a moderate amount of resorption could be expected. After drilling through loose sand and a thick section of silcrete (Kalahari formation), numerous coarse kimberlitic ilmenites and pyrope garnets of up to 5 mm in size were visually identified in weathered kimberlite from 34 meters depth. 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. |
ilmenites |
Ilmari Justus Andreas Manninen Ilmari Kianto Ilmatorjunta Ilmatorjuntakonekivääri Ilmavoimien Teknillinen Koulu Ilmavoimien Viestikoulu IlmavTK ILMAVVK ILMB ILMBO ILMC ILMCT ILMD ILME Ilmen Ilmen Ilmen Lake Ilmen Mountains Ilmen Preserve Ilmen Slavs Ilmen, Lake Ilmenau-Sofia-Skopje-Nis-Banjaluka Ilmenauer Uni Nachrichten ilmenite ilmenite ilmenites IlmeniumIlmenorutile Ilmer, Karl Ilmer, Karl Petrovich ILMF ILMG ILMH ILMHF ILMI ILMI Management Entity ILMID ILMJ Ilmkreis ILML ILMM ILMO Ilmor Ilmovaia Pad ILMP ILMRF ILMS ILMSO ILMST | ||||||||
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