Copper Carbonate, also known as cupric carbonate, is a green crystalline compound with a valence of +2 for copper. It easily dissolves in water and breaks down at a temperature of 200 C. This versatile substance is commonly used in paint and varnish pigments, as well as in pyrotechnics and animal and poultry feeds. It also serves as an effective fungicide. Its chemical formula is CuCO3.