Copper
| Chemical Composition: | Cu |
| Hardness | Rockwell C 2½ - 3 |
| Luster | Metallic |
| Magnetic Coercity | Non-magnetic |
| Crystal System | Isometric |
| Specific Gravity | 8.9+ |
| Boiling Point: | 2,567 degrees C |
| Atomic Number: | 29 |
| Tensile strength: | Approx. 19,000 psi |
| Atomic Weight: | 63.546 |
| Melting Point: | 1,083 degrees C |