[W/K] :: Hematite

  Hematite \Hem"a*tite\, n. [L. haematites, Gr. ? bloodlike, fr.
     a"i^ma, a"i`matos, blood.] (Min.)
     An important ore of iron, the sesquioxide, so called because
     of the red color of the powder. It occurs in splendent
     rhombohedral crystals, and in massive and earthy forms; --
     the last called red ocher. Called also specular iron,
     oligist iron, rhombohedral iron ore, and bloodstone.
     See Brown hematite, under Brown.
     [1913 Webster]

  hematite
       n : the principal form of iron ore; consists of ferric oxide in
           crystalline form; occurs in a red earthy form [syn: haematite]