The Chinese have always had a deep-rooted misunderstanding about Hetian jade. He felt that Hetian jade is a jade produced in Hetian, Xinjiang, and only in Xinjiang. Although the jade produced in various places on the market is frequent, it cannot change this fallacy. After all, Hetian jade's existence and history in China is far longer than jade. In fact, it is not difficult to understand Hetian jade. A traditional definition of a general concept of four common materials, two major purchases, understand the "1 + 1 + 4 + 2" way, ordinary white is basically not I bought the wrong one. The legendary "Hetian jade": a narrow sense, a broad sense Why is the name "Hetian jade" impressive? Because jade will appear in the form of white jade such as "Hetian Yangzhibaiyu" in both novels and film and television works, and the spread effect of these works is far more profound than any science. Therefore, many people are generally impressed by the “Yellow White Jade Produced in Hetian, Xinjiangâ€. Generalized = tremolite-based nephrite In fact, Hetian jade is broadly referred to as water-based calcium-magnesium silicate. It is said that it is a polycrystalline aggregate mainly composed of tremolite. The scientific name of the jade thus formed is called "soft jade", and the Mohs hardness is 6-6.5, which is slightly lower than the hardness of the pyroxene-based polycrystalline aggregate "Jade Jadeite". Narrow sense = the origin of nephrite and the name of Tiantian In the traditional definition, it is narrowly defined that Hetian jade is indeed a jade produced in Hetian, Xinjiang, which was named after the original origin found by Hetian jade. It is like blue that was discovered earlier than sapphire, so it was named after it, and later discovered various colors, so the color sapphire was added as "XX color sapphire". However, there are still many places in Hetian jade. China's Xinjiang, Qinghai, Liaoning, Guizhou, and South Korea and Russia around the country have produced. Hetian jade is called by the Chinese, and nephrite is called by foreigners. The name "soft jade" is the name given by the French geologist in 1842 after analyzing the mineral composition of Hetian jade. It is an academic name. This name was introduced to China from abroad and is still used in mineralogy. . "Hetian jade" appeared in China more than 7,000 years ago. It has been believed by the Chinese people with spiritual beliefs, so it was named after the place where it was first discovered. Four kinds of materials to buy jade must know Russian, Korean, Qinghai, or Hetian Just like buying a jewel, people buy their stones and they are superstitious about their origin. Fortunately, Hetian jade is much better than other gemstones. Hetian jade from different places can be visually observed by experience. Of course, only some stones with a relatively large texture difference can be distinguished, and in theory, there is a difference in texture between each material. To distinguish the purpose of the four common materials, in order to prevent the merchants from using the excuse to raise the price of jade, on the other hand, the friends with obsessive-compulsive disorder can be separated and bought without tangling. Xinjiang material, oily and moisturizing The gloss of the oil is clear and clear, and the surface of the liquid oil can clearly reflect the shadow of the person. However, because the texture is very delicate, the silhouette of the silhouette of the figure is blurred. It is slightly transparent, so it will have a blue feeling. The texture is very uniform and the structure is very tight, so even if the color is not very white, it is very warm and fresh. If the Xinjiang material reaches the degree of sheep fat white, the quality will be excellent. Qinghai material, green bottom and dry The gloss of the oil is not strong, and the hard surface reflection of the glass porcelain is more clear, and the reflected figure is more clear, and the reflection is more dazzling; the color texture is gray and not angry enough. Russian material, light white, lack of grease Although the gloss is soft, but because the internal structure is relatively dead, the surface also shows a relatively dead waxy luster, reflecting the shadow is basically blurred; the color will have more blue, light yellow background, even white It is a better material in Russian. Korean material, yellow bottom plastic is strong Between the feel of several materials, occasionally there is a glossy plastic texture, the surface can reflect the silhouette, but because the internal structure is uneven, the silhouette of the silhouette will be deformed; no matter how white, there will be a yellowing feeling. , more deadly. See the certificate · see the business In fact, every time I identify a popular science article, I will definitely say that I have to have a basic understanding of what I want to buy before I buy it. Just now, Baojie has already said the basic content. However, if you really don't understand it, you have to look at the certificate and the reputation of the shop. Trusted certificate When purchasing, you must look for a qualified certificate. If you don't understand it, you can check it online, enter it from the website marked on the certificate, enter the certificate number, and observe whether the online registration information is related to what you want to buy and the information on the certificate. It is consistent. Can open a certificate as much as possible to buy a certificate, it is not good, support for re-examination and return can also be, but the preferred must have a certificate. 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