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2 definitions found
 for Hematite
From The Collaborative International Dictionary of English v.0.48 :

  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]

From WordNet (r) 3.0 (2006) :

  hematite
      n 1: the principal form of iron ore; consists of ferric oxide in
           crystalline form; occurs in a red earthy form [syn:
           hematite, haematite]

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