Min. [f. the name of Dominico Troili, who described a meteorite containing this mineral which fell in 1766 (Dana): see -ITE1.] A sulphide of iron found in meteorites.
1868. Dana, Min. (ed. 5), 57.
1903. Daily Chron., 12 Sept., 3/1. Troilite … is one of the dozen or so minerals found in meteorites that are not found on our earth.
