menaccanite

1 definition found

menaccanite - Collaborative International Dictionary of English v.0.48 :

  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]