Hetian jade is called nephrite, which is the name of a jade. Therefore, like Tian Tianyu, which we often say in our lives, there are many different types, and the division according to different regions and the division of colors are different, so friends will follow the Xiaobian to learn more carefully!
1. Hetian jade can be divided into regions according to the region: Xinjiang Hetian material, Russian material, Qinghai material, and Korean material. Xinjiang Hetian materials can be divided into mountain materials, seed materials and mountain water according to the region.
2, Hetian jade can be divided into: white jade, sapphire, ink jade, topaz according to its color. White jade can be divided into sheep fat jade and white jade.
3, Hetian jade can be divided into: color skin, sugar skin and stone skin.
The above is a summary of the small series according to the regional color and skin color to the classification of Hetian jade, the following small series to introduce them in detail.
Xinjiang Hetian material: The texture of Xinjiang Hetian jade seed material is the best, followed by mountain water, and finally belongs to mountain material! The seed material and the mountain stream water source are basically exhausted! Especially in recent years, there has been no good news!
Russian material: Hetian jade from Russia, known as Russian material in the circle, the output form can also be divided into mountain material, seed material, mountain water material. However, there are few seeds in Russian materials, mostly mountain water and mountain materials. The value of white jade in Russian is only lower than that in Xinjiang Hetian jade, so its value is extremely high. More than 90% of the high-end white jade on the market is Russian. material.
Qinghai material: Qinghai material, also known as Qinghai jade or Kunlun jade, is one of the common types of generalized Hetian jade in the market. It is produced in the eastern margin of the Kunlun Mountains and is part of Qinghai Province. It is in a metallogenic belt with Xinjiang Hetian Yutong, Kunlun Mountain. The east is Kunlun jade, the north of the mountain is Hetian jade, and the straight line distance is about three hundred kilometers. Therefore, Kunlun jade and Hetian jade are basically the same in terms of material composition, production status and structural structure. It can be described as a twin in nature, and the Qinghai material of the old pit is fine and can be compared with the Xinjiang Hetian jade. However, the texture of the new pit is worse, and it is easy to change color and yellow, so the market has not been good in recent years.
Korean material: Korean material is a generalized Hetian jade green jade material. Its main producing area is Chuncheon in the southern part of the Korean peninsula. It is produced in the local serpentinite and is mostly blue-yellow and brown. The powder is not very good. The chemical composition of Korean material is basically similar to that of Hetian jade. The hardness and density are close to Hetian jade, which is slightly smaller and the hardness is about 5.5. It is the lowest value of Hetian jade in Xinjiang, and it can be 10,000 times worse than the high-end sheep fat jade.
White jade: The color is mainly white, which can be slightly gray, yellow, green and other colors. The texture is dense and delicate, the oiliness is moderate, and the cleft is visible. According to the amount of sugar color, it can be further subdivided into white jade and sugar white jade. The sugary portion of the sugar white jade accounts for 30%-85%.
Sapphire: The color has a medium or dark color such as green to dark, gray, yellow and green. According to the color of the sugar, it can be further subdivided into sapphire and sapphire.
Ink: The color is gray or black, accounting for more than 30%. The black is mostly dipped, blade-like, strip-like, and aggregated, and can be mixed with white or grayish white, and is uneven.
Topaz: Light to medium yellow, often greenish yellow, millet, with gray, green and other colors, according to the amount of sugar can be further subdivided into topaz, sugar topaz.
Color leather: A layer of jade skin distributed on the outer surface of the scorpion jade has various colors. The jade world is named after various colors, such as black leather, deer skin and so on. From the skin color, you can see the quality of the jade, such as black leather, deer skin, etc., mostly for the finest white jade. The same quality of the jade, such as with autumn pear and other skin color, the value is higher.
Sugar skin: refers to the layer of yellow brown and sauce color jade skin distributed on the surface of Hetian Yushan. Because the color is like brown sugar color, it is called sugar jade. The sugar syrup has a large thickness of sugar, ranging from a few centimeters to 20-30 cm. It is often surrounded by white jade or sapphire, which is in a transitional relationship. Sugar jade is produced near the crack of the ore body. Sugar jade is the product of oxidizing environment. After the formation of Hetian jade, the residual magma water penetrates along the fracture of Hetian jade ore body, and the ferrous oxide is converted into ferric oxide. The syrup is the result of iron oxide dyeing.
Stone skin: refers to the surrounding rock surrounded by the surface of Hetian Yushan. One type of surrounding rock is a translucent petrochemical dolomite marble. It is mined together with jade when it is re-exploited. It is attached to the surface of jade. The stone and jade stone of this stone jade has clear boundaries and can be separated. When he is washed and transported by running water or glaciers for a long time, the stone and jade are separated. The other type of surrounding rock is tremolite. For example, in the process of the formation of Hetian jade, the coarse-grained tremolite was replaced. Due to the incomplete confession, the surface of jade is often accompanied by coarse-grained tremolite, which is a transition between jade and jade. Called Yin and Yang, the shade is the stone of the jade.
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