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[Brand]: Shengxing Silver Jewelry [Name]: Fashion Women's Diamond Ring [Material]: Zuyin 990 Zircon Stone [Weight]: About 2.3 grams [Specification]: Opening size adjustment [Number]: 10 【 Our store calculates the cost 】 According to the weight+labor cost, the website includes fees based on the current silver price trend * grams+labor cost {"styleType": "offer type 1", "items": "75968723410475931798306275513272917590840877052759646758882759509488346", "usemap": "_sdmap12"} Why does Zuyin turn black and oxidized The reason why silver jewelry can turn black over time is that silver is an unstable element that easily reacts with sulfur, leading to blackening. Forming silver sulfide, human sweat contains a lot of sulfur, and when it comes into contact with silver jewelry, it will take effect. Moreover, if a person is in a polluted environment with high levels of acidic gases, hydrogen sulfide, nitric oxide, and other compounds in the air, it can also cause silver jewelry to turn black. Even under normal circumstances, wearing silver jewelry for about half a year will cause oxidation on the surface, resulting in a dull color and loss of luster. Blackening of silver jewelry is a normal natural phenomenon, as sulfur and oxides in air and other natural media have a certain corrosive effect on silver. After wearing it for a period of time, some small spots (sulfide silver film) will appear, which will eventually diffuse into pieces and even turn black. So, currently there are some discoloration phenomena in silver jewelry due to oxidation. Here are a few suggestions: Maintenance knowledge: Most consumers know that silver will turn black, but they don't know how to prevent it from turning black or what to do if it turns black - this is the root cause of some consumers' unwillingness to purchase silver jewelry. So, teaching how to maintain and remove oxides on the surface of silver jewelry, and restoring its luster, is a way for consumers to have confidence in purchasing. The main points to be achieved are as follows: ① When wearing silver jewelry, do not wear other precious metal jewelry at the same time to avoid collision deformation or scratches Avoid contact with water vapor and chemicals, and avoid wearing them while swimming, especially when going into the sea. ③ After wearing it every day, wipe it clean with a cotton cloth and seal it in a jewelry box or bag for storage. ④ It has already oxidized and turned black. You can use a soft bristled brush dipped in toothpaste to scrub, or you can use hand soap or cleaning agents to clean it. Wipe with silver water only when it is impossible to clean, and dry with a cotton cloth after washing. Shengxing Silver Jewelry is a professional manufacturer of foot and silver jewelry. All foot and silver products can be inspected, not refunded at any time by foot and silver. Our Shengxing Silver Jewelry is trustworthy and worth everyone's trust and pursuit. For specific knowledge about silver jewelry, please search on Baidu for more details