2. Texture: Sikkim is soft and relatively easy to bend, while gold is hard and not easy to bend.
3. Color: The color of Sikkim is dull copper, while the color of gold is typical gold, which is very bright.
4. Gold is a precious metal, and the symbol of chemical element is Au, which has high ductility and stability. Gold has always been regarded as one of the precious metals in human history, and is widely used in investment, storage, jewelry making and other fields. Gold is also a limited resource, and its mining and refining costs are also high, so the price is relatively expensive.