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Why silver jewelry turn dark over a period of time |
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Answer» Answer: Sterling silver turns dark or stains because of a chemical response caused by contact with SULFUR or hydrogen. A food or ordinary things containing sulfur can CAUSE discoloring, but even DIRTIED air can turn sterling silver dark. It's stain - a sulfur response in the metal. Happens to all silver, but it's WORST on a few people in light of the fact that the skin accelerates the chemical response. |
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