The pearls of Zhu Xi Jewelry Company are very good. According to official website's inquiry, the pearls of Jubao Jewelry have good luster, strong surface reflection, high ornamental value, few surface defects and traces, and high ornamental value. Pearl, also known as mussel pearl and lotus pearl, is an ancient organic gem, which is mainly produced in mollusks such as Pinctada and Pinctada. Pearl is a mineral bead containing calcium carbonate produced by the endocrine function of shellfish, which is composed of a large number of tiny aragonite crystals.