Gold coins and bars made from 24-carat (999.9) gold can sometimes develop red spots. But don’t worry—these spots aren’t ...
Gold coins and bars made from 24-carat (999.9) gold can sometimes develop red spots. But don’t worry—these spots aren’t due to the gold itself.
So, what causes these blemishes? Typically, it's either copper or silver that may be present in the alloy used to create gold coins and bars. When exposed to moisture, these metals can oxidize and cause discolouration, while the gold remains unaffected.
Understanding the properties of gold can help you appreciate this timeless investment even more! 🌟
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