It should be noted that most of the silver ornaments are rough and hard, while the gold ornaments are soft and fine in workmanship. When they are worn at the same time, silver products will scratch the surface of gold ornaments because of frequent collisions in daily activities.
On the one hand, it destroys the beauty of gold ornaments; On the other hand, the surface of silver is stained with a small amount of gold ions, so that the germanium in it can not directly contact with the skin, thus affecting its health care effect, so germanium silver jewelry should not be worn with gold jewelry.
Extended data:
Cleaning method of gold jewelry
1, in order to protect the luster of gold jewelry, you can coat it with a thin layer of nail polish.
2. If there is a black silver film on the surface, 2 grams of salt, 7 grams of baking soda, 8 grams of bleaching powder and 60 ml of water can be used to prepare a "gold cleaner". Put the gold jewelry in a bowl, pour the detergent, take it out after 2 hours, rinse it with clear water (preferably not hard water), bury it in sawdust to dry, and then wipe it with a soft cloth.
3. Ring with gemstones Roll a piece of cotton with popsicles or matchsticks, soak it in the mixed solution of toilet water and glycerin, scrub the border of the gem, and then polish the ring with flannel. Never scratch with sharp objects such as blades.
4, salt and vinegar mixed into a cleaning agent, use it to wipe pure gold jewelry, can make it durable.
5. Toothpaste wiping or scrubbing with hot rice soup can also restore luster.
6, 70% nitric acid and 98% sulfuric acid can be used in a ratio of one to three, but this is a chemical reaction to clean, which has a certain loss to gold.
Baidu Encyclopedia _ Gold Jewelry