Hematite - definition of hematite by The Free Dictionary
Define hematite. hematite synonyms, hematite pronunciation, hematite translation, English dictionary definition of hematite. n. A black or blackish-red to brick-red mineral, essentially Fe2O3, the chief ore of iron. he′ma·tit′ic adj. or n a red, grey, or black mineral, found as... Hematite - definition of hematite by The Free Dictionary.