Pyrite

n.

1.

(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.

Noun

1.

pyrite - a common mineral (iron disulfide) that has a pale yellow color Synonyms: fool's gold, iron pyrite

atomic number 34, fool's gold, iron pyrite, mineral, Se, selenium