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Why Does Gold Discolor Fingers? You may think that faulty manufacturing or under karating might be the problem when a ring "turns black", or discolors the skin and clothing. However, that is not the case. You can understand these causes, and how to prevent them. The most common reason is metallic abrasion, caused by makeup on skin or clothing. Cosmetics often contain compounds harder than the jewelry itself, which wear or rub off very tiny particles. Very finely divided metal always appears black rather than metallic, so it looks like a jet-black dust. When this dust comes into contact with absorbent surfaces such as skin or clothing, it sticks, forming a black smudge. To prevent this, you should try switching cosmetics. If this is not possible, we recommend that you remove rings and other jewelry while applying them, and clean skin areas in contact with jewelry with soap and water. Another cause is actual corrosion of the metals. Gold itself does not corrode, but its primary alloys of silver or copper will do so-forming very dark chemical compounds-under moist or wet conditions. When you perspire, fats and fatty acids released can cause corrosion of 14K gold, but especially 10K gold jewelry (due to the fact that 10K gold contains more alloy metal) when exposed to warmth and air. This problem can be worse in seacoast and semitropical areas, where chlorides combine with perspiration to form a corrosive element that discolors skin. Medications absorbed in the body may also act as corrosive agents and react to the alloy metals in jewelry. Smog fumes gradually attack jewelry and are evident as a tarnish that rubs off on the skin. We suggest that you remove jewelry often and use an absorbent powder, free of abrasives, on skin that comes into contact with jewelry. Even the design of jewelry can be an influence. Wide shanks have more surface area to contact abrasives or corrosives. Concave surfaces inside a shank form collection points that trap moisture and contaminants, also causing a type of dermatitis. You should remove all rings before using soaps, cleaning compounds or detergents, and clean your rings frequently. As well as solving the problem, you'll be amazed at how much better your rings look! Jewelry Cleaning Machine |
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Address: 108 East 7th Street, Auburn, IN 46706. Phone: 260-925-3113, Fax: 260-925-3128. © 2001, 2002, 2003 Carbaugh Jewelers and Subterminal.com. All rights reserved. |