It can be slightly soaked in dilute hydrochloric acid with the concentration of 10%. With the generation of foam, the yellow shell of the pearl is dissolved, and the pearl can restore its luster. However, special attention should be paid not to soak in dilute acid for too long to prevent pearls from being damaged. Pearl ornaments are high-grade ornaments, which can be preserved for a long time and even passed down from generation to generation. However, because the pearl surface is soft and easy to be damaged, and because its main chemical component is calcium carbonate, it is easy to be corroded when it meets acid. Therefore, pearl jewelry is very precious, so be careful to use and maintain it.

1. When wearing pearls: it is not advisable to wear coarse clothes and avoid contact with vinegar, alcohol and perfume to prevent pearls from fading or losing luster due to corrosion.

2. When pearls are not used, wash them with thin soap first, and then with clear water. Then put it in a jewelry box padded with flannel or silk, and don't put it in a plastic bag or plastic box to seal it, so as not to affect its luster. I hope I can help you, and you are welcome to visit Ziyuan Jewelry. If you have any questions, please feel free to contact us. I'm happy to answer for you! Zi Yuan jewellery