Hematite

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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) 2.0 [wn]:

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