Chalcopyrite

[,kælkә'pairait]

Definition

(noun.) a yellow copper ore (CuFeS2) made up of copper and iron sulfide.

Inputed by Chris--From WordNet

Definition

(n.) Copper pyrites, or yellow copper ore; a common ore of copper, containing copper, iron, and sulphur. It occurs massive and in tetragonal crystals of a bright brass yellow color.

Editor: Ozzie