This 1lb Copper Ingot Bar Paperweight is a great way to diversify your precious metal collection as an investment. Industrial finishes are complemented by creative designs including the distinctive elements of copper atoms (copper atomic symbol (Cu), atomic number (29), atomic weight (63.55)), and "Melting Point 1085C", "Density 8.92 g/cc", "One Pound", ".99 Fine Copper" and "USA".