Gold is a precious metal that is highly valued for its rarity, beauty, and durability. It is commonly used in jewellery, coinage, and investment, among other applications. There are several different types of gold that are used for various purposes, including:
1. 24-karat gold: This is pure gold and is the most malleable and ductile of all metals. It is too soft to be used in jewellery and is mainly used for investment purposes.
2. 22-karat gold: This gold alloy contains 91.7% gold and is commonly used in jewellery.
3. 18-karat gold: This gold alloy contains 75% gold and is commonly used in high-end jewellery.
4. White gold: This gold alloy is a mixture of gold and white metals such as nickel, zinc, or palladium. It is often plated with rhodium to give it a shiny, silver-like appearance.
5. Rose gold: This gold alloy is a mixture of gold and copper, giving it a pinkish hue.
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