Composition: Copper iron sulfide
Nomenclature: Named after the Greek words "chalkos" and "pyrh" which mean "copper" and "fire" respectively.
Industrial Uses: Copper ore, iron ore.
Additional Notes: .
Ecuador : Scott 1442 : 600 sucre : 6 Oct 1997
Chalcopyrite
Ecuador : Scott C361 : 60 centavos : 1960
Chalcopyrite; pyrite
Portugal : Scott 1109 : 6.50 escudo : 24 Sep 1971
Chalcopyrite