Beads were originally produced in water. Beads with small round holes are decorative spheres. Pearl is an ancient organic gem, which is mainly produced in mollusks such as Pinctada and Pinctada. The calcium carbonate-containing mineral (aragonite) beads produced by endocrine function consist of a large number of tiny aragonite crystals; Rich in variety, different in shape and colorful; According to the research of geology and archaeology, there were pearls on the earth 200 million years ago. In the international gem circle, pearls are also listed as lucky stones for June birthdays and commemorative stones for 13 and 30th wedding anniversaries. Pearls with magnificent colors and elegant temperament symbolize health, purity, wealth and happiness, and have been loved by people since ancient times.