22-carat gold contains 91.67% pure gold and 8.33% other metals (often called alloys) added intentionally to provide strength and durability.
These added metals—which are not considered impurities but deliberate mixtures—typically include:
- Copper
- Silver
- Zinc
- Nickel (occasionally)
Because pure gold (24-carat) is too soft and malleable to hold its shape or bear the weight of daily wear, these non-gold metals are essential for making it suitable for jewelry crafting
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