Decorative alloys are metals that have been combined with other elements to create a material with a desired aesthetic quality. Ermolu is an alloy of copper, zinc, and sometimes tin, which is often used in decorative objects such as furniture and clocks. Ormolu is an alloy of copper, zinc, and tin, which is often used in decorative objects such as jewelry and sculptures. PEWTER is an alloy of tin, copper, and antimony, which is often used in decorative objects such as tableware and figurines.