Copper carbonate is a chemical compound with the formula CuCO3. It is a copper salt of carbonic acid. Copper carbonate is a green or blue-green powder that is insoluble in water. It is found naturally as the mineral malachite.

The chemical formula for copper carbonate is CuCO3. This means that each molecule of copper carbonate contains one atom of copper, one atom of carbon, and three atoms of oxygen. The molecular weight of copper carbonate is 123.55 g/mol.