Ilmenite
ID: 135
Ilmenite
Chemical Formula
FeTiO3
Hardness (Mohs)
5 - 6
Crystal System
Trigonal
Streak
Black to brownish red
Luster
Submetallic
Diaphaneity
Opaque
Color
Iron-black, steel-gray, reddish black.
Crystal Habit / Mode of Occurrence
Thick tabular crystals, massive, granular.
Fun Facts
Ilmenite is the most important ore of titanium.