oxidisation Tag Archives

Why has my silver jewellery turned black?

No, it doesn’t mean that your jewellery is faulty, or that it is not real silver. If your jewellery has changed colour and has become black, it has oxidised. Oxidisation, also known as tarnishing, is a natural process for your jewellery to go through and is a product of chemical reaction that is caused by the other metals that are mixed with the silver, reacting …