Freshwater cultured pearls

Pearl is an ancient organic gem, mainly produced in mollusks of Pearl shellfish and Pearl mother shellfish; and calcium carbonate-containing mineral (aragonite) pearls produced by endocrine action are composed of a large number of tiny aragonite crystals; they are rich in variety, different in shape and colorful; according to geological and archaeological studies, 200 million years ago, the earth was on the ground. There are already pearls; in the international gemstone industry, pearls are also listed as the lucky stone for June's birth, the commemorative stone for the thirteenth and thirtieth anniversaries of marriage. Pearls with magnificent color and elegant temperament, symbolizing health, purity, wealth and happiness, have been loved by people since ancient times.