Menaccanite

Me`nac´can`ite

n.

1.

(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.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.