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 jade has the physical characteristics of absorbing light during the day and emitting light at night. When the jade light spot is aimed at a certain acupuncture point in human body, it can stimulate the meridians and dredge the dirty pulp, which has obvious health care function.
Extended data:
Mudstone jade is a kind of jade with chlorite as the main component. Famous varieties such as styrene have a density of 27g/cm3, a refractive index of 1.55, a hardness of 2.5, a green color, and a waxy luster to a glassy luster.
The representative place of origin is Sturen, also known as Aoyu. The famous producing areas are Switzerland and Italy. Listed domestic varieties include Laizhou Jade, Renbu Jade, Guori Ayu, Laoshan Submarine Jade, etc.
References:
Baidu encyclopedia-niyu