Category:Menaccanite

Me*nac"can*ite, n. Etym: [From Menaccan, in Cornwall, where it was first found.] (Min.)

Defn: 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.