Knowledge about Pearl 1: Brief Introduction about pearl

Pearl is an ancient organic gemstone mainly produced in pearl shellfish and mother-of-pearl mollusks; and calcium carbonate-containing minerals (aragonite) beads produced by endocrine function are composed of a large number of tiny aragonite crystals. Collected; rich in variety, different in shape, colorful; according to geological and archaeological studies, there were already pearls on Earth 200 million years ago; in the international gem world, pearls were listed as June The lucky stone of the birth, the memorial stone of the thirteenth anniversary and the 30th anniversary of marriage. Pearls with magnificent colors and elegant temperament symbolize health, purity, wealth and happiness, and have been loved by people since ancient times.

Pearl is a dense condensate formed by the polymerization of foreign particles that are not attached to the outer shell in or under the mantle, in various mollusks. It has various shapes, but the most typical ones are round and pear. The shape is in various colors, but it is usually white or light, and has different degrees of luster. It can be used for decoration or medicine.

The English name of the pearl is Pearl, which was evolved from the Latin Pernulo. Its other name is Margarite, which is derived from the ancient Persian Sanskrit, meaning "the son of the sea."

As early as ancient times, when hominids were foraging on the beach, they discovered a white pearl with a colored halo, and it was attracted by its crystal magnificence. Since then, pearls have become a favorite accessory and have been passed down to the present.
China's natural freshwater pearls are mainly produced in the islands of Hainan. There are five kinds of pearls: white, red, yellow, dark and variegated, most of which are opaque.