Hetian jade is a collection of tremolite minerals. Jade is warm and delicate, and its grease is strong. It is a precious jade species. The traditional concept refers specifically to the jade produced in the Hetian region of Xinjiang. As we all know, Hetian jade is a treasure of China, and its cultural connotation is self-evident. At present, there are many kinds of jade in the market for counterfeiting Hetian jade.
Quartzite:
Quartzite products, white color, fine texture, looks like Hetian Baiyu, as long as there are crystal white jade. It is a kind of fine-grained quartzite with a hardness ratio higher than that of Hetian jade. It is completely different from the fiber interweaving structure of nephrite. It has stronger glass luster than Hetian jade. It is different from Hetian Yuyu's grease luster. Because of its high toughness, engraving When both sides of the yin line are not easy to collapse, the hardness of the quartzite products is high, but the toughness is poor, the brittleness is strong, and it is easy to cause a collapse. In addition, the density is lower and the hand feel is lighter. Common quartzite jade is Dongling jade, Jingbai jade, Nanyang jade and so on.
Jingbaiyu:
It is a white and fine jade stone. It is named after the discovery of the Xishan area in Beijing. The Jingbai jade particles are small, the fine jade material is pure, non-impurity, and very white, similar to Hetian Baiyu, but lacks warmth. .
Water white jade:
It is a kind of Nanyang jade in Henan. It is plagioclase, glass luster, some are very transparent, and also semi-transparent. The handcuffs are lighter, and the whole looks white in the middle of the hair (it is completely different from the blue-and-white jade that is gray or smoked). But when you look closely, you can't find the place where "Wu" is. It is also called Wubaiyu. It is more common on the stalls.
Afghan white jade:
This jade is mostly white in color and yellowish in color. The hardness is low, the gloss is waxy luster or glass luster, and a water-line and stripe structure is often seen. The jade is very fine and even, the luster is lustrous, and the jade flower is not visible to the naked eye. Moreover, the surface is also oily and lustrous, so it is often used to pretend to be a fat jade and white jade. Some people may not know how to distinguish it. In fact, its identification method is very simple. We generally do not need tools, and can be hung with a fingernail. A little white skin, this situation will never appear on white jade. In addition, its specific gravity is also significantly lower than that of Hetian jade, and often has an ultraviolet fluorescence reaction.
Xi Yanyu:
That is, jade jade, produced in Xiuyan County, Liaoning Province, has a large output, low hardness and easy fracture, but the output is large, so the price is very low. Generally, the transparency is relatively high. It is mainly composed of lake water and green. It is mainly used to pretend to be Hetian Qingbai jade and sapphire. Yellow jade jade is also common, mainly posing as topaz, serpentine jade also has green or dark green, and is mainly composed of Xiuyan jade. It is very similar to Hetian Biyu, and it is one of the main varieties of Hetian Biyu. Saitama also has white, and there is cotton wool in the jade. Now Xinjiang has also discovered a large number of serpentine jade. Since the hardness of the jade jade is less than 5, the glass can not be moved.
Glass feeder:
Because the glass texture is very brittle and hard, the structure is loosely arranged, lacking the compactness and toughness of jade, and can not withstand the high-speed rotary engraving. Therefore, the glass generally adopts a one-time casting molding process, and generally does not produce high relief and round sculpture on the glass. . You can find the bubbles with a magnifying glass, even if you can only see one. If you can see the shell-like fracture is also one of the evidence. When the instrument is identified, the refractive index and specific gravity are significantly lower than that of Hetian jade, and the hardness is also low.
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