a bronze-colored, typically magnetic, hexagonal mineral, FeS, usually found with pentlandite; iron sulfide
Origin of pyrrhotite; from 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 –ite1) of German Pyrrhotin, from Greek purrot&emacron;s, redness, from purros, fiery, from p&umacron;r, fire; see pa&schwa;w&rlowring; in Indo-European roots.