a bronze-colored, typically magnetic, hexagonal mineral, FeS, usually found with pentlandite; iron sulfide
Origin of pyrrhotitefrom Classical Greek pyrrhot?s, redness ( from pyrrhos, flame-colored from pyr, fire) + -ite
A brownish-bronze iron sulfide mineral, FeS, characterized by weak magnetic properties and used as an iron ore and in the manufacture of sulfuric acid. Also called magnetic pyrites .
Origin of pyrrhotiteAlteration (influenced by -ite 1) of German Pyrrhotin from Greek purrotēs redness from purros fiery from pūr fire ; see paəw&rlowring; in Indo-European roots.