ilmenite

名词 ilmenite:

1. a weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium

il.men.ite

n.（名词）
A lustrous black to brownish titanium ore, essentially FeTiO3.
钛铁矿：一种发亮的黑色或褐色钛矿石，主要成分为FeTiO3

来源：
After the Ilmen Mountains, a range of the southern Ural Mountains
源自 伊尔曼 山脉，乌拉尔山脉南部的一列