haematite /ˈhiːmətʌɪt 
/ (US English hematite) ▸ noun a reddish-black mineral consisting of ferric oxide. It is an important ore of iron. – ORIGIN late Middle English: via Latin from Greek haimatitēs (lithos) ‘blood-like (stone)’, from haima, haimat- ‘blood’.
EnglishOxford Dictionary of English
