The so-called chicken bone white is like the chicken's bones fall out after the soup, and the feeling of whiteness is taken out!
Representation: It is a divergence of circles and spots with different sizes, forming a diffuse shape, which is a phenomenon in which the internal changes of jade form a appearance, which is essentially different from the fake! (Of course, heat starts outside, and change starts internally.) The narrative is not very accurate. The chicken bones are formed in the initial stage and all white. For the initial formation, I have not seen the description of the book. I think it should be the heat of the ground to heat the jade, it must be in a dry environment, it will take about 1800 years to have a chance to appear. Because of the difference in regional precipitation, there is a difference between the northern soil and the north, and the south is humid. The tomb is easy to leak, it is not easy to get chicken bone white, the requirements for the drying of the tomb are relatively high, long-term exposure to low temperature, the interior of the jade begins to change, the temperature is different, the internal changes are also different, the temperature is high, The inside is prone to freezing phenomenon, there are fish brain frozen, white fish belly and so on, the white of the temperature should be different, if it is high, it will form white! The advantage of this low temperature makes the change of jade very slow. Finally, the inside of the jade forms spherical granules of different sizes, and there is no freezing white. The spherical part and the surface of the contact part are scattered to form white, and the time is different. The longer the heat is, the more the whitening is intensified. Finally, until the whole white, the heat of the same jade in a grave is different. The different temperatures appear different in freezing white. Some jade borders are most likely to be calcified. The border is white. My speculation is related to the organic funerary objects in the grave. When the organic matter in the grave pit rots, the heat is released, so that the tomb is in the heat for a long time. The jade is in contact with the ground. The temperature of the ground is lower than that in the tomb. The temperature, so it will form a whitening of the border; it is different from the white temperature of the chicken bone white. Also because of the water, there is immersion in the water, the water is hot, but it turns white in the water, and because it is whitened by the corrosion of the corpse water, it finally goes to the whole white in the long river of time. And calcification! There is a chicken jade white jade, after the earth is unearthed, as long as it is dampened with water, it can spit white when it is dry!
There is also a kind of calcification of jade, first dry pit, every time the leaking water is wet, the jade itself spits white, the spit out of the lime to corrode itself, forming a white spot of varying sizes, the depth of calcification formed by the length of spit white is also different! The shape is related to the covering formed by white, and the white spot can be seen when removing the covering; when identifying the ancient jade in the Han Dynasty, it is rare to see all the white jade, which is only the initial stage, so if there is a magnifying glass to see if there is inside the jade The formation of raw balls of different sizes and freezing white, this is something that cannot be imitated, unless it is processed with real old materials, it is not difficult to distinguish it from the work, so the real chicken bone white can not be seen, is A standard for jade identification! The calcification spots appearing in white sputum are actually not visible at present. It is natural and unnatural, and the depth is different. By the way, if it is burnt for a long time, it can be burned out, and the control of fire can be burned without cracks. Jade white, the two are not the same white, after burning and then glazing, (there are dozens of methods for glazing, what kind of light to use), the patina appears, and there is corrosion Now, the jade that is well-made is hung in a container with corrosive liquid such as ammonia water. The acid gas corrosion method will also be white, but the smell is unpleasant, and then throwing it in the pit to make it smell for a while, the smell will be gone, and it will become stinky. The taste is different from that of the ancient jade, which is different from the earth. It is called the ancient jade!
The calcified plaques are usually sprayed with water, and they also form dots of different sizes. However, there is no speckle that is open, and it looks unnatural. The fake method of freezing white is to cut the whole material with a whole material. Directly strong acid corrosion, strong acid corrosion will cause a lot of heat to burn the interior of the jade, and then cut off the corroded white skin, revealing the whiteness, polishing the glazing, distinguishing this work, made in There are often small pits where acid water is corroded on the utensils. If the jade material is corroded by strong acid water, the corrosion will only have one side and then cut off. If it is made into 4 sides, it will become a white border. There is no rough stone, and this practice is currently not engraved, so as not to expose the imitation marks on the work. The difference between the white and the real thing is very small, just between nature and unnatural, it is best to The material, workmanship and shape are broken, and the jade quality identification from the ancient jade, from the ancient jade art and workmanship identification, including size, fit, weight, and so on, have no artistic effect , including painters, workmen Levels and so on, learning bronzes, more than a few months, as long as a few days to learn, learning jade identification is not a decade or two will not learn, and never dare to say learning, can only say Out of the name, the essence of jade culture is: never see through!
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