The pit stone is posing as a jade. The feature is that no matter how you take it, it is opaque and not oily at all. In addition, it is interesting to note that the pit stone is also produced in the two famous jade rivers in Hetian, Xinjiang. I don't believe you go to Hetian to see the river beach everywhere.
Qinghai smoked jade is posing as a jade. Of course, it is characterized by no scatter characteristics in black, and black and ground colors are natural transitions.
Xinjiang black jasper pretending to be jade. In general, it will be painted black in daylight, such as with strong light on its edges, it will shine green. Because the essence of Xinjiang black jasper is jasper, the price span is large. The identification of this jade looks dark, and secondly, there is a black spot in the jade under the lamp. The purer and more transparent the quality, the more valuable it is.
The real Xinjiang ink jade is made of graphite invaded into white jade. When you hit it with a light, you can see the white jade on the ground, with black dots on the stars. Of course, although the dark is the top grade, the edge of the jade should also be transparent, because it is white jade, it is also very oily. Many times, because it is all black, because it can not see the bottom of the white jade, so that people are misunderstood as black stones, so the bottom of the white jade still has to be, just right. In short, to distinguish the real ink jade, you need to see more, play more, look for the best in the ink jade.
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