Английский разговорный словарь (основной) - pyrites
Pyrites
pyrites
paɪˈraɪti:z n. (in full iron pyrites) a yellow lustrous form of iron disulphide. øøpyritic adj. pyritiferous adj. pyritize v.tr. (also -ise). pyritous adj. [L f. Gk purites of fire (pur)]