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 ...
Knowing how to clean silver isn’t the same thing as knowing how to clean silver plate, which has less silver. Take care to limit polish on silver platethe polish could penetrate the finish.
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 ...