american copper 15 Associations

American copper Lycaena hypophlaeas copper (generic term)

blister copper 14 Associations

copper (generic term) Cu (generic term) atomic number 29 (generic term)

blue copperas 13 Associations

blue vitriol blue stone chalcanthite copper sulfate (generic term) copper sulphate (generic term) cupric sulfate (generic term) cupric sulphate (generic term)

brass 5 Associations

copper-base alloy (generic term)

bronze 6 Associations

copper-base alloy (generic term)