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Why does jewellery tarnish?

April 26, 2017JEWELLERY tarnish

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Why does jewellery tarnish?

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Silver and some alloys have a tendency to develop a layer of black tarnish on its surface. This is actually called “silver sulphide” and is caused by compounds in the air and human sweat. Tarnish is easily removed by polishing with a good quality silver cloth.