ˈilməˌnīt noun
( -s )
Etymology: German ilmenit, from Ilmen range, Ural Mts., Union of Soviet Socialist Republics + German -it -ite
: a usually massive iron-black mineral FeTiO 3 of submetallic luster that is an important ore of titanium and is a compound of iron and titanium and oxygen and may sometimes occur in rhombohedral crystals with very close crystal-structural relations to hematite