Troilite
Pronunciation : Tro"i*lite
Part of Speech : n.
Etymology : [Named after Dominico Troili, an Italian of the 18th century.] (Min.)
Definition : Defn: Native iron protosulphide, FeS. It is known only in meteoric irons, and is usually in imbedded nodular masses of a bronze color.
Source : Webster's Unabridged Dictionary, 1913