Pyr·ite n.; pl. Pyrites Min. A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide.
Hence sable coal his massy couch extends,
And stars of gold the sparkling pyrite blends. --E. Darwin.
n : a common mineral (iron disulfide) that has a pale yellow
color [syn: iron pyrite, fool's gold]