2. Distinguish the authenticity of silver by color: The surface of pure silver looks uniform, shiny and polished. The higher the purity, the whiter the silver.
3. Checking the hardness can also be used to distinguish the authenticity of silver: the hardness of silver is lower than that of copper, but higher than that of lead and tin. You can test it by drawing silverware with a pin. If there is a trace, it is true if it is not too eye-catching.
4. The importance of weighing is also one of the methods to judge whether it is true or not: the density of silver is slightly higher than that of ordinary metals, while aluminum is light, silver is heavy and copper is not.
Extended data:
Precautions:
1, the best way to maintain silver jewelry is to wear it every day, because human oil can produce a natural and moist luster.
2. Don't wear other precious metal jewelry when wearing silver jewelry to avoid collision, deformation or wear.
3. Keep the silver ornaments dry, don't take them to swim, and don't go near hot springs and seawater. When not in use, you can gently wipe the surface with cotton cloth or paper towel to remove moisture and dirt, and put it in a sealed bag or box to avoid contact with air.
If the silver ornaments show signs of yellowing, the easiest way is to gently wash the surface with toothpaste and some water. Or use a small jewelry brush to clean up the fine seams of the silver ornaments, and then gently wipe the surface with a silver cloth, and the original aesthetic feeling of the ornaments can be restored immediately.
Baidu encyclopedia-silver ornaments