Cu₂Pb₅(SO₄)₃(CO₃)(OH)₆

This sample of caledonite is displayed in the Smithsonian Museum of Natural History. Caledonite contains copper and lead with the composition Cu₂Pb₅(SO₄)₃(CO₃)(OH)₆. The sample at left is about 5 cm across and is from Mammoth mine, Tiger, Arizona. It is described as caledonite with anglesite.