Do you know that there are also classifications of silver jewelry?

Do you know that there are also classifications of silver jewelry? (1) Silver jewelry, pure white sterling silver due to its soft texture, is generally only suitable for making plain silver jewelry. If you add 7.5% copper to change its hardness and enhance its toughness, you can make inlaid silver ornaments. This kind of silver-copper alloy is called Standard silver in the world. Jewelry made with this kind of standard silver is very popular with the world because of its beautiful color, tough texture, firmness and wear resistance. (2) Imitation silver jewelry: There are two high-quality materials that are similar to silver in terms of color, texture and luster, and both can be made into imitation silver jewelry. One is an alloy containing 60% copper, 20% nickel, and 20% zinc. The jewelry made can be similar to silver and is called Asian silver jewelry. One is an alloy containing aluminum, lead, chromium, and germanium. These four metals have a silver-white appearance and metallic luster, each with their own characteristics. They are a good material for imitation silver jewelry and are used by ethnic minorities in my country to make imitation silver jewelry. Material of choice. Although the difference between silver jewelry and imitation silver jewelry is very small and very real, they can also be distinguished. Silver jewelry will be stamped with the 'S' or 'Sterling' seal, but imitation silver jewelry does not; silver cannot be in contact with sulfur compounds, otherwise it will turn gray and dark, but imitation silver jewelry does not have this phenomenon; imitation silver jewelry feels light and hard Large and easy to distinguish from silver jewelry.