The wearing methods and functions of green garnet, obsidian, garnet, crystal, topaz, agate and olivine.

Only obsidian should be worn on the right hand and the rest on the left hand. Most of the kinds mentioned above are crystals, which are different from other kinds of jade. First, crystals are all made of silica, and second, they are all transparent (except obsidian, which is the simplest difference between the two). Of course, there are many other ways. Westerners believe in crystal transshipment, and so on. As long as they like it, they don't care about odd and even numbers. They are all treasures of nature, as long as they are beautiful and enjoyable.