Thesaurus: hematite

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1. n. 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.
2. n. the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form
3. 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.
4. An important ore of iron, the sesquioxide, so called because ofthe red color of the powder. It occurs in splendent rhombohedralcrystals, and in massive and earthy forms; -- the last called redocher. Called also specular iron, oligist iron, rhombohedral ironore, and bloodstone. See Brown hematite, under Brown.
5. n:100 n. the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form