Identification method:
1. The color should be black, pure black, gray or green. The color evaluation of colored gems and jades is the same principle, and the color purity is the first.
2. The color distribution should be uniform. Obviously, full ink is the best, and sheet ink can only be used as a skillful color. Reasonable use of skillful colors can add color to jade carvings, making them appear vivid. Dotting ink is difficult to use. It is usually removed by gouging out the dirt and removing the grain during the processing of jade.
3. It is the fineness of jade. The fineness of jade quality is the first principle for evaluating Hetian jade.
4. The real Xinjiang black jade is made by graphite invading into white jade. If you hit the white jade with a light, you can see spots of black on the ground. Of course, although the dark one is the top grade, the edge of the jade should also be transparent, because it is white jade, and it is also extremely oily. Most of the time, because it is completely black, the white jade base can not be seen, so it is misunderstood as black stone. Therefore, the white jade base is as good as it needs. To distinguish the real black jade, we need to see more and play more.