GOLD
| Property | Specification |
| Appearance | Shiny, yellow metallic luster |
| Atomic Number | 79 |
| Density | 19.32 g/cm³ |
| Melting Point | 1,064°C (1,947°F) |
| Boiling Point | 2,850°C (5,162°F) |
| Hardness (Mohs scale) | 2.5 to 3.0 |
| Electrical Conductivity | High |
| Thermal Conductivity | 315 W/(m·K) |
| Purity | 99.99% (24 karats) |
| Gold Content | 19.3 g/cm³ (specific gravity) |