Category:Hematite

Hem"a*tite, n. Etym: [L. haematites, Gr. a"i^ma, a"i`matos, blood.] (Min.)

Defn: 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.