In the market in previous years, in order to imitate high-quality jade, many counterfeit products will be dyed, but the color of dyeing is mainly green. The color of the internal dye can be observed with the naked eye; or the mesh distribution of the internal dye can be carefully observed, and if a distinct absorption band appears in the red zone under the beam splitter, then it is easy to identify whether the jadeite is For A goods. However, the current dyed jade is not only dyed green, but also has a tendency to develop towards low-quality jade color. It will mimic oil green or blue water jade, dye the color gray-green, dark green or blue-green. Because the value of the general quality oil green and blue water jade is not very high, the purchaser will relax the vigilance, will not seriously identify whether the jade is A, it will be easy to be fooled. Mesh Fabric,Jacquard Mesh Fabric,Polyester Mesh Fabric,Sport Mesh Fabric Zhejiang Tangber Trade Co .,Ltd , https://www.tangber.com