Why gold never tarnishes has finally been explained
Researchers at Tulane University have discovered that gold's resistance to tarnishing is due to the way its surface atoms rearrange themselves into protective patterns. This atomic restructuring prevents oxygen from reacting with the metal, effectively creating a natural barrier.
Gold has long been valued for its brilliant, long lasting shine. Now, researchers at Tulane University have uncovered an important reason why the precious metal remains so resistant to tarnishing. Their findings show that gold's durability is not determined by its chemistry alone. Instead, the arrangement of atoms on its surface plays a critical role.
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