Menaccanite \Me*nac"can*ite\, n. [From Menaccan, in Cornwall,
where it was first found.] (Min.)
An iron-black or steel-gray mineral, consisting chiefly of
the oxides of iron and titanium. It is commonly massive, but
occurs also in rhombohedral crystals. Called also {titanic
iron ore}, and {ilmenite}.
[1913 Webster]