'Troilite' definitions:
-
Troilite \Tro"i*lite\, n. [Named after Dominico Troili, an
Italian of the 18th century.] (Min.)
Native iron protosulphide, FeS. It is known only in
meteoric irons, and is usually in imbedded nodular masses of
a bronze color.
[1913 Webster]
