HEMATITE

hematite, haematite

(noun) the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form

Source: WordNet® 3.1

Etymology

Noun

hematite (usually uncountable, plural hematites)

(mineral) An iron ore, mainly peroxide of iron, Fe₂O₃.

Synonyms

• kidney ore

• martite

Source: Wiktionary

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

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition