Among the several types of Hetian jade seeds, people have the highest enthusiasm for white jade seeds, but after thousands of years of mining, the production of white jade in Hetian, Xinjiang has been greatly reduced, and good white jade is hard to find.
The market demand for white jade is high, but the supply is extremely low. Faced with this situation, many merchants began to use Qinghai or Russian white jade to pretend to be Hetian Baiyu for illegitimate interests. The white jade filled with it is more common.
Filled white jade "greatness" is generally higher, uniform color, high transparency, but looks more like "paraffin" than sheep fat. The trap of filling white jade is also very large, because the processing method and process of white jade are still high-level trade secrets. The filling method of white jade is rarely known, and the refractive indices of Russian white jade and Xinjiang white jade are basically the same, so the spot test method is not Be applicable. However, the density of filled white jade and the density of Hetian white jade are still quite different. The difference can be clearly seen under the microscope. Hetian Baiyu can see that the surface is round and the internal light is uniform, but the surface of the filled white jade is rough. There will be pits. However, the most effective way to identify filled white jade is now to use an infrared spectrometer.
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