Whether the goods sold at Royal Bank Wharf are genuine or not depends on whether there is a jewelry appraisal certificate. It is difficult to judge whether they are true or not. As long as there is an officially certified jewelry appraisal, all the products he sells are true and guaranteed.
Silver jewelry is a kind of jewelry made of metallic silver with smooth and shiny surface. While creating crystals, experts focused on silver ornaments.
Identification of silver jewelry:
1, look at the imprint: silver ornaments are generally stamped with the English abbreviation of silver ("s" or "Sterling"). The mark of standard silver is S925 or 9.25 or 925. The imprint of foot silver is S990. But there are also many countries that don't print paper money on silver ornaments. Or 9.25925 marks. There are also thousands of silver labels or S999.
2. Color inspection: Silver ornaments are mostly yellowish silvery white with soft metallic luster. Due to easy oxidation, the color will turn dark yellow and white after a long time.
3. Weighing weight: the density of silver is10.53g/cm3. Smaller than platinum and gold, it won't fall off by hand. Steel needles can be marked or bent. In this way, it can be distinguished from German platinum, K gold or imitation silver jewelry.
Silver ornaments maintenance
Silver is a relatively active precious metal, which easily reacts with sulfur or hydrogen sulfide in the air to generate black silver sulfide. This is also the reason why silver jewelry will turn black after use. Long-term use of silver jewelry has little friction on the surface, and this phenomenon of blackening is more serious after being placed. The material of many silver ornaments is often silver-copper alloy, and this kind of silver ornaments should pay more attention to anticorrosion.