(Min.) A hydrous sulphate of copper and lead, found in some parts of Caledonia or Scotland.
caledonite
caledonite
[‚kal·ə′dä‚nīt] (mineralogy) Cu2Pb5(SO4)3CO3(OH)6 A mineral occurring as green, orthorhombic crystals composed of basic copper lead sulfate; found in copper-lead deposits.