Why is gold allergic to some people?What is the actual meaning behind the concept of “Karang” or discoloration of gold in jewellery usage?
Gold is believed to be good for health. People do use it as energy booster. During Coating process the gold jewellery is being dipped in Potassium Cyanide Solution. After this process it is cleaned properly. But in rare case, Potassium Cyanide Solution particle would be left out in the jewellery. In that case only people get affected by allergy reaction. While Gold loses its shining gradually on usage is referred to as “Karang”. Due to geographical climatic changes this thing happens. Similarly because of body sweat as well as washing gold in soap water can lead to Oxidization which in turn results in gold turning into black color.
