The beauty of stone is jade. As long as it is beautiful, it can be called jade. Jade is a kind of jade, which is essentially a stone.
Jade, a kind of stone as an ornament, is mainly used to beautify and dress people, and it has no magical effect.
Of course, because happiness can make people healthy, if wearing it can make you feel happy, and then physical and mental health, it can barely be understood as health preservation.