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saved searches - My saved topics - My newsletter Ilmenite is a
weakly magnetic titanium-iron oxide mineral which is iron-black
or steel-gray. It is a crystalline iron titanium oxide (FeTiO3).
It crystallizes in the trigonal system, and it has the same
crystal structure as corundum and hematite. Ilmenite is often
recognised in many altered igneous rocks (which is most, to some
extent) by the production of the white pseudo-mineral leucoxene.
Often, ilmenites are rimed in leucoxene, which allows ilmenite
to be distinguished from magnetite and other iron-titanium
oxides. The example shown in the image at right is typical of
leucoxene-rimed ilmenite. Ilmenite is weakly magnetic, with its
response to a hand magnet weak. Ilmenite most often contains
appreciable quantities of m