
| 1. Never
wear your jewellery, when you go swimming. Both water with chlorine and
salt water can tarnish black gold- and silver-jewellery !
2. Jewellery, that you wear directly on your skin is sensitive to cosmetics and can tarnish black or lose colour to your skin. 3. Many precious stones are very sensitive to grease and can change their colour i.e. turquoise 4. Some precious stones and pearls have a natural content of water i.e. opal. Drying them out in the heat of the sun or sauna, can lead to cracks and other damages. 5. Taking certain medicine can tarnish black your silver-jewellery. 6. Some precious stones (i.e amethyst, blue topaz) are sensitive to light and can lose their colour when exposed to sunlight. |
|
To clean your
jewellery at home you can use special polishing cloths for gold and silver,
impregnated with cleaning agents, that guarantee a careful cleaning for
jewellery and its precious stones.
A professional cleaning and polishing needs a polishing motor and an ultrasonic bath and can only be done at a jeweller´s store. Every jeweller will look forward to clean your jewellery and controll your gem set jewellery. |