

| PhysicalSpecification | Gold Bars | Gold Nuggets |
|---|---|---|
| Shape | Rectangular or square | Irregular and natural |
| Size | Typically between 1 gram and 400 ounces | Varies in size and shape |
| Weight | Exact weight determined by the manufacturer | Varies depending on the size and shape of the nugget |
| Purity | Typically 99.5% pure gold or higher | Varies depending on the source of the nugget |
| Color | Bright yellow | Bright yellow or a reddish or orange hue |
| Hardness | 2.5 on the Mohs scale | 2.5 on the Mohs scale |
| Density | 19.3 grams per cubic centimeter | 19.3 grams per cubic centimeter |
| Melting Point | 1,064 degrees Celsius | 1,064 degrees Celsius |
| Appearance | Smooth and polished surface | Rough and natural appearance |