pyrrhotite

[ pir-uh-tahyt ]
/ ˈpɪr əˌtaɪt /

noun

a common mineral, iron sulfide, approximately FeS but variable because of a partial absence of ferrous ions, occurring in massive and in crystal forms with a bronze color and metallic luster; magnetic pyrites: generally slightly magnetic.

Origin of pyrrhotite

1868; < Greek pyrrhót(ēs) redness + -ite1

Example sentences from the Web for pyrrhotite

British Dictionary definitions for pyrrhotite

pyrrhotite

pyrrhotine (ˈpɪrəˌtiːn, -ˌtaɪn, -tɪn)

/ (ˈpɪrəˌtaɪt) /

noun

a common bronze-coloured magnetic mineral consisting of ferrous sulphide in hexagonal crystalline form. Formula: FeS

Word Origin for pyrrhotite

C19: from Greek purrhotēs redness, from purrhos fiery, from pur fire