troilite (troilit)

[Named after D. Troili, who in 1766 described a meteorite containing this species.] A native iron sulphid often occurring in meteorites, and especially meteoric irons, as embedded nodules or generally di eminated. It may be identical with the terrestrial pyrrhotite, but most authorities regard it as the pro to sulphid iron (Fes), a substance not otherwise known outside of the laboratory. troilus (trō'i-lus), n.; pl. troili (-li). [NL.,