noun Date: 1540 a reddish-brown to black mineral consisting of ferric oxide, constituting an important iron ore, and occurring in crystals or as earthy red ocher, hematitic adjective
HEMATITE
Meaning of HEMATITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012