If the magnet works, then the item is more likely to be silver-plated ... silver only needs cleaning a few times a year. Overdoing it may have a damaging effect." Vinegar is another great ...
How to Clean and Remove Tarnish From Silver Jewelry While you ... can damage metals and gems. Does vinegar clean jewelry? Vinegar can damage soft-plated jewelry and strip away gold-plating.
Add boiling water to the bowl, followed by the vinegar ... turn silver, she suggests taking it to a professional to be re-plated. If your jewellery is set with gemstones, you can still clean ...