Webster’s Revised Unabridged Dictionary · 1913
Hematite
Hem′a·tite (hĕm′ȧ·tīt or hē′mȧ·), n. [L. haematites, Gr. αἱματίτης bloodlike, fr. αἷμα, αἵματος, 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.