Dictionary
chal•co•py•rite
Pronunciation: (kal"ku-pī'rīt), [key]—
n.
a very common mineral, copper iron sulfide, CuFeS
2, occurring in brass-yellow crystals or masses: the most important ore of copper; copper pyrites.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.