"Ten white and nine empty" jade can not only pursue the white "sentimental feeling" is also very important
Hetian jade has many colors and types. Yangzhiyu is definitely the best of them. Because its jade is white and flawless, it has a high degree of moisture. It is like the fat after the sheepskin is removed. After millions of years of oxidation, jade will form jade, which is jade skin. Because of its close texture, it has little or no oxidation, resulting in its rare whiteness and moisture, tens of thousands. The price of hundreds of thousands per gram has been common. The whiteness of the sheep fat jade lies in its tight texture, heavy specific gravity, no complicated structure, and is transparent or semi-transparent. What's more important is its moistness, the presence of no oily feeling, and the smoothness and moistness of the hand.
The number of sheep fat jade is very small. There is a saying in the middle of Hetian Baiyu called "Ten White and Nine Spaces". What is "Ten White and Nine Spaces"? That is, inside the ten pieces of Hetian Baiyu, nine pieces of texture are empty and loose. It is close, even white jade is extremely rare, not to mention sheep fat white. Based on this, Professor Yang Zhenhua suggested that the process of collecting sheep fat jade can not only pursue white, mainly the pursuit of lubrication, the fake must have no moistness, and the good moistness must be the seed material.
Why can't you pursue white? Professor Yang Zhenhua believes that many synthetic jade are now very white, such as "outer Mongolian jade." The so-called "outer Mongolian jade" is a scientific method synthesized by jade powder. It looks very white, and the process can be imitated in the Qing Dynasty. However, its structure is not a fiber structure. Its proportion is not, its degree is not, and this kind of thing is in society. A lot of it, if you simply pursue the whiteness, it is easy to plant it.
Scientific instruments cannot replace artificial identification
With the development of science and technology, people are increasingly inclined to use technical analysis to distinguish the types of jade, to judge the age of jade, and even the true and false of jade, but Professor Yang Zhenhua believes that scientific instruments cannot replace artificial identification. With scientific instruments, we can It is identified whether the jadeite is A cargo, B cargo or C cargo, but it cannot be given that Yu is Hetian jade, Qinghai jade or Russian jade, because any jade containing tremolite in the geological test will only be identified as " Hetian jade, although they have different textures, the tremolite composition is the same. In addition, scientific instruments can not test jade old or new, jade itself is tens of thousands of years, millions of former ore, unless it is synthetic or glass.
The artificial identification of the ancient jade is mainly to look at the jade material, the patina and the ochre, and use the archaeological excavation as the standard to compare the ornamentation and shape. There are two kinds of ancient jade, one is unearthed jade and the other is handed down jade. Unearthed jade buried in the ground for hundreds of years, thousands of years, its twilight is a natural transition, there are depths, and further, because the artifacts are cut from the four sides, resulting in relatively loose sides, twilight are From the edge of the object to the inside; there are many traces of life on the jade, there is a thick patina, there will always be a little collapse, there will always be a little line that is deep and now becomes vague Professor Yang Zhenhua believes that it is easy to identify.
In the view of Professor Yang Zhenhua, looking at jade depends on its "vicissitudes of vicissitudes of life", people have vicissitudes of life, and jade also has "vicissitudes". Through human hair, skin, and wearing, we can easily judge whether it is old, middle-aged or young, and jade can. Every piece of jade has a wealth of historical information waiting for us to interpret it. The reason why children can easily distinguish the age of the person is whether it is a sister or an aunt. It is difficult for us to distinguish the new and old jade, mainly to see it. Less, the social fake sees much, true and false.
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