Can't wash with washing with detergent and toothpaste
2 thoughts on “How to clean the green substance in the gold necklace?”
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Can't wash with washing with detergent and toothpaste
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How can gold necklace appear green substances? It contains copper impurities. If you want to clean it, you can wash it with dilute sulfur.
You can use toothpaste to clean the dirt, it will be very beautiful.