C3H4A1L1C3O1P3Y4R1I1T1E1S1
25 points
CHALCOPYRITES is validvalid
CHALCOPYRITE, [n]
CHALCOPYRITE, copper pyrites, a yellow double sulphide of copper and iron [n]
CHALCOPYRITE, [n]
CHALCOPYRITE, copper pyrites, a yellow double sulphide of copper and iron [n]