The following is a method for identifying artificial jade that Xiaobian introduced to friends. According to industry regulations, when jadeite is sold, it must be marked with the treatment it has undergone, but many merchants will shoddy it. It will be sold as artificial jade as a natural jade. How to identify artificial jade when purchasing jade? Artificial jade has been artificially chemically treated to improve the texture and color of jade, commonly known as artificial jade. The industry generally divides jade into four categories of ABCD, of which A cargo jade refers to pure natural jade, and BCD jade jade is artificial jade. The biggest difference between natural jade and artificial jade is that in the process of processing, natural jade only physically changes the shape of jade, while artificial jade has changed the chemical properties of jade. The different grades of artificial jade are different. For example, B jade is resin filled with jade after color bleaching, and C jade is artificially dyed. The artificial jade after this treatment can be compared with the natural jade, the texture is pure, the color is rich, and even the past, but because the treatment changes the structure of the jade, this beauty can not last for a long time, It will return to its original appearance. (1) Observation method: Due to the polycrystalline structure of jadeite, a colloidal or dyed pigment hidden in the gap of the crystal structure in the artificially treated product can be observed using a high magnification magnifying glass, and a mesh surface which is soaked by acid or Dip-dyed reticular pigment. (2) Drip method: natural jade is treated with hydrochloric acid. In a few seconds or a few minutes, there will be sweat on the surface, but artificial treatment does not. (3) Knocking method: gently tapping the natural jade, it is a kind of crisp and sweet sound; while tapping the treated product, it emits a low dull sound. (4) Sour roasting method: rub the thick acid on the back of the jade, then bake it with a red pin, and repeat it twice. If you see the spot of the yellow zoom, it is artificially treated jade. If it is not clear by the above simple naked eye identification method, it can be further identified by infrared spectroscopy and infrared microscopy. CHENGDU YOUANCHENG COMPANY , https://www.youanchengshoes.com.jpg)