How to identify Hetian jade seed material? The seed material is generally skin-colored, but also has a white-white color. It is mainly identified from the color form of the seed material. The following is the identification of some seed skin color, which may be helpful to you. Come and find out.
First, the color system is identified, the materials are taken in the hand, and they are seen under normal lighting or sunlight. The far-sighted and near-looking colors are unchanged, and they are warm and soft white. The mountain material, in normal light or under the sun, looks white when it is normal, and looks a little blue when looking far, especially when it is put together with the sample of the material. When comparing this method, look at it, look far, It can be seen that the difference, because this visual method is tried and tested, is a good way to distinguish jade. No matter how white the jade looks white, the jade belt that does not belong to Hetian Tsai will look blue or cyan. This method and the method of having or without perforation are also applicable to the jade with skin color.
Second, it is identified from the cracks of the seed jade: everyone knows that the skin color is one of the important characteristics of the seed jade. Since ancient times, the skin of the Tianzi jade has been noble tiger skin, deer skin and autumn pear seeds. Difficult, but the probability of naturally forming skin color is only less than one tenth. The jade with a close and pure jade quality will not form a skin color. Many seed jade have no skin, and many mountain materials have been polished. How can we identify the authenticity of it? At this time, the crack of the seed jade became an important identification mark of it. Seed jade in the riverbed after thousands of years of scouring collision, more or less will have a little crack, cracks often invade the skin color, these cracks as long as they do not affect the main body are good materials. Polishing seeds and drum material type are relatively Perfect, rarely cracked, and it can be seen that there are multiple initial polished sections, so the crack is also a sign to distinguish the true seed jade!
Third, the water-grass-like infestation, some of the abundance of the aphid is water-grass-like infection, which can be said to be evidence of iron in the feed, because this water-like infection is not formed by short-time artificial dyeing, but thousands or even a few The result of 10,000 years of mineral infestation. The long-term contact between the metal salt and the sapphire, the material exchange between the shallow fissures and the fibrous crystals of the jadeite on both sides, forming such a burr-like watery grass-like infection, which is the mark of time, and this infection is lurking. A little bit below the jade on both sides of the crack. The various forms of watery grass infection are shown in the figure. (There are reinforced leather seeds or defective colorless seed dyeing, although there are sweat pores, but watery grass-like infection can not be done; there is also a fake sweat pores made by acid etching, although dyed fake skin, But the phenomenon of watery grass infection can not be done)
Fourth, starting from the skin color of the seed material, the real seed material is washed in the river water for thousands of years, naturally suffered from cockroaches, and only enters the color in the soft and soft place, and the color is deeper in the cracked place. This skin color is quite natural, that is, the living skin that everyone talks about. Its color is immersed in the jade, and the skin and the jade inside are the same. The color on the skin should be shallow and deep, and the color on the crack should be from shallow to deep. However, the really good seed jade is not long, even if it is, it is a little bit of a star, or in a small crack. The color of the living skin is revealed from the jade.
Fifth, recognizing from the pores of sweat, with or without sweat pores, is an important point in identifying true and false seeds. The real seed, no matter how delicate, its surface, there will be countless fine pores, much like the pores on the human skin. Therefore, it is generally said that the pores formed in the natural state are not artificially forged. Under the ten-fold magnifying glass, it can be clearly seen (the naked eye can not be seen). It is very effective to use sweat pores to identify true and false seeds. However, not all of the seeds can clearly see the pores of the sweat, especially the polished pieces after polishing and polishing. Because there is a worn-out wear scar on the roller, a scratch on the road, and there is no "sweat pore" in the natural state. This is the test of Bailing.
In addition, it needs to be explained that with regard to the identification of Hetian jade seed material, any theoretical knowledge can't replace practice. It is fundamental to learn more and ask for advice.
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