Real gold does not tarnish. The metal is not susceptible to oxidization, meaning it does not turn brown, black, green or any other color over time. Dark spots or unnatural hues to a piece of gold indicate impurities and are common in jewelry that is of lower quality.
Pure gold does not tarnish. Gold items less than 24 carat can show signs of tarnishing because the other metals in the alloy may react with oxygen or other compounds.
White gold does not tarnish. However, rhodium-plated white gold discolors over time as the finish wears away. Rhodium gives white gold items a bright white appearance, but when the rhodium plating erodes, the yellowish cast of the white gold underneath becomes visible.
Clean tarnish from your pure gold jewelry by immersing the jewelry in warm water with a couple of drops of dish soap and rubbing gently with your fingers or a washcloth. Do not use this method for gold jewelry that incorporates crystals, gems or pearls. Cleaning your je...
To clean tarnished white gold, gather a bowl, mild dish soap, warm water, baking soda, a soft toothbrush, and a microfiber towel or jewelry polishing cloth. Soak the white gold item in soap and water, apply baking soda, rub the gold with a toothbrush, rinse the item, an...
Clean tarnished gold rings by using a commercial gold cleaner, soaking them in a solution of seltzer water and dish soap, or using a mix of ammonia and water. If the gold ring has gemstones, clean it with plain soap and water.
Silver tarnishes due to a reaction with sulfur in the air. Moisture and sunlight can also cause tarnish.