关于珍珠的记录早在古籍《禹贡》中就有叙述,而中国是世界上最早记载开始人工养殖珍珠的国家。天然珍珠不需经任何加工雕琢便光彩夺目,成为历来各国皇室争相拥有的珍宝,因此,享有“宝石皇后”的美称。 珍珠是名贵的有机宝石,她的形成过程十分有趣。当有异物(如沙砾等)入侵一些贝壳的体内时, The record about pearls was described in the ancient book Yugong, and China was the earliest country in the world to record the beginning of artificial cultured pearls. Natural pearls do not need any processing and carving will dazzling, has always been competing royal family owned treasure, therefore, enjoy the “Gem Queen” reputation. Pearl is a precious organic gem, her formation process is very interesting. When foreign bodies (such as gravel, etc.) invade the body of some shells,