It is said that Hetian jade, a kind of harmonious jade, has good texture and workmanship. I also plan to buy a pendant to wear on Heheyu in the near future. It is said that jade contains zinc, magnesium, copper, selenium, chromium, manganese, cobalt and other trace elements beneficial to human body. Wearing jade often can make human skin absorb trace elements, which is helpful to the coordination and balance of physiological functions of human organs. Some jades have the physical characteristics of absorbing light during the day and emitting light at night. When the light spot of jade is aimed at a certain acupuncture point of human body,