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Jade, from the color is divided into: white jade, jasper, green jade, black jade, topaz, yellow jade, green jade, Beijing white jade, etc.
Geographically, there are: Xinjiang jade, Henan jade, Xiuyan jade (also known as Xinshan jade), Australian jade, Dushan jade, southern jade, Canadian jade, etc., and Xinjiang and Khotanese jade are China's famous specialties.
It has been a favorite ornament since the Neolithic period, and today, more and more people love to collect and enjoy jade. In China, jade is most famous for jadeite, Xiuyu, Hetian jade, and Dushan jade, which are called"Four famous jades"。
Classification of jade: According to the research of the Asian Gem Society (GIG), jade is divided into nephrite and jadeite. Nephrite is a traditional Chinese jade material, and the name of jade comes from nephrite, which is often referred to as "Hetian jade" because of the better production of jade in the Hotan region of Xinjiang.
Nephrite jade is generally opaque or translucent in its hardness, and is divided into the following categories according to its color: white jade, topaz, green jade, (green and white jade), jasper, black jade, flower jade, and jade.
Jadeite refers to jadeite that is found in Myanmar. Whether it is nephrite or jadeite, their texture is very hard and the color is very bright, so they are known as the "king of stones". Jade is already worth a lot of money, and after being processed and carved by skilled craftsmen, it becomes a priceless treasure.
With the development of the times, jade culture has gradually formed.
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According to your description, it should belong to Hetian jade seed material at present, and some things cannot be completely measured by **, but you can choose according to your own preferences, and what you like is the best.
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That's too broad. First of all, there are many jade species of jade, Hetian jadeite, Dushan Lantian and so on, each of which has different identification methods and different ingredients. Secondly, when it comes to which jade species, her grade division is not the same as the others.
So you have to look at what jade you like, and then you have to be specific.
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1. Xinjiang Hotan material - Hotan area is recognized as the best production area of white jade; The subdivision can be divided into mountain material, mountain flowing water, Gobi material and seed material, the texture of Xinjiang Hetian jade seed material is the best, followed by Gobi material, and then mountain flowing water, mountain material. Because of excessive mining, the source of seed and Gobi material has basically been exhausted, especially in recent years, good material is more scarce, and the best material is getting higher and higher.
2. Russian material - Hetian jade produced in Russia, called Russian material in the circle, and the output form can also be divided into mountain material, seed material, and mountain water material. However, there are very few seeds of Russian materials, most of them are mountain water and mountain materials, and with the increasing scarcity of Xinjiang materials, the value of white jade of Russian materials has gradually increased.
3. Qinghai material - Qinghai material, also known as Qinghai jade or Kunlun jade, is one of the common generalized Hetian jade species on the market, produced in the eastern edge of the Kunlun Mountains into Qinghai Province, comparable to Xinjiang Hetian jade mountain material, but the texture of the new pit is poor, easy to go discolored and yellowish, so it is not good in recent years.
4. Korean material - Korean material is a generalized Hetian jade green jade mountain material. Its main production area is Chuncheon in the southern part of the Korean Peninsula, and it is produced in the local serpentine, which is mostly blue-yellow and brown. Fat powder is not very good. It is the lowest value in Xinjiang Hetian jade.
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There are three types of common jade: Hetian jade, jadeite and southern red. Different kinds of jade have different characteristics and values in different aspects, and are not of comparative significance.
1, Hetian jade:
It is a very precious jade, named because it is produced in the Hotan region of Xinjiang. Hetian jade has a delicate texture and high gloss, and the color is mostly white, gray and green, of which green quality is the best. Hetian jade has high hardness, strong toughness, and is not easy to wear, so it has always been regarded as the royal jade of royal nobles, and its value is extremely high.
2. Jadeite:
It is a well-known variety of jade that is mainly produced in places such as Myanmar, Yunnan and Xinjiang in China. Jadeite comes in a variety of colors, including green, white, yellow, etc., with green being the best quality. Jadeite has a delicate texture, high hardness, strong toughness, and is not easily damaged, so it is also a very popular jade variety.
3. Nanhong:
This is a jade variety that is native to southern China and is characterized by bright colors and delicate textures. The colors of southern red are red, purple, yellow, etc., among which red is the best quality. Nanhong has a relatively high hardness and toughness, so it is also a very suitable jade variety for jewelry.
Tips for buying jade:
1. Observe the appearance: the appearance of jade is the most intuitive criterion, you should pay attention to its color, texture, transparency, luster and other characteristics, generally speaking, the surface of good quality jade is smooth and uniform, without flaws and cracks.
2. Weight: The weight of jade is also an important indicator to evaluate the quality of jade, under normal circumstances, the heavier the weight of the same size of jade, the better, because the heavier the weight, the greater the density, the better the quality of this jade.
3. Timbre: Gently tap the jade with your fingers to observe its timbre, the timbre of high-quality jade should be crisp and pleasant, without noise, and the timbre will vary depending on the shape, size, material and other factors of the jade.
4. **: The quality of jade is related to factors such as quality, type, and process, and the gap between different jade products is very large, generally speaking, high-quality jade is higher, and consumers should choose according to their own economic strength and purchase purpose.
5. Place of origin: The origin of jade will also affect its quality and quality, such as Hetian jade, Burmese jadeite and other jade with good origin, the quality is relatively high, and the quality is relatively high.
The above content reference: Encyclopedia - Jade.
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Generally speaking, jade has a narrow and broad sense. There are two types of jadeite in the narrow sense: jadeite and nephrite, jadeite is mainly jadeite, and nephrite is mainly Hetian jade. And jade in a broad sense, it includes not only nephrite and jadeite, but also Duyu Mountain, Xiuyu, crystal, agate, turquoise, lapis lazuli and so on.
1. Jadeite. Jadeite, commonly known as "jadeite" in China, is a rising star in China's traditional jade, and it is the top grade of all jade in modern times.
Jadeite, whether it is a "mountain material" (primary ore) or a "seed material" (secondary ore), is mainly a dense mass composed of jadeite minerals. Observed under a microscope, the jadeite minerals that make up jadeite are tightly intertwined to form the fibrous structure of jadeite. This tight fibrous structure gives jadeite its delicate and tough character.
2. Nephrite. Nephrite jade has varieties of white jade, green jade, jasper, topaz and black jade in China.
They differ from jadeite in that they are dense masses of tremolite actinolite minerals (mainly tremolite) in the hornblende group of minerals. Under the microscope, nephrite, like jadeite, has a fibrous structure. This fibrous structure, which is made up of tremolite or actinolite, is the main reason for nephrite's delicate and tough nature.
3, Xiuyan jade.
Referred to as Xiuyu, it is named after Xiuyan County, Liaoning Province.
On the surface, the main varieties of this jade are similar to the green jade or jasper of Xinjiang, but the composition of the minerals and hardness are different. The main mineral that makes up Xiuyu is serpentine. The composition often contains divalent iron, trivalent iron, and is also mixed with impurities such as manganese, aluminum, nickel, cobalt, etc., which make Xiuyan jade have various colors.
4. Turquoise.
Turquoise is a cryptocrystalline dense mass composed of fine turquoise minerals, containing phosphates of copper, aluminum, and water, and is usually produced in secondary epigenetic deposits. It is mostly sky blue, dark blue, blue-green and green, and greenish-white with strong weathering. It has a soft waxy luster.
Hardness 6, specific gravity. Average refractive index.
5, Lantian jade.
The name of Lantian jade was first seen in the "Hanshu Geographical Chronicles", and the beautiful jade was produced in "Lantian Mountain in Jingbei (now Xi'an North)".
Subsequently, ancient books such as "The Book of the Later Han Dynasty and the Biography of Foreign Relatives", Zhang Heng's "Xijing Fu", "Guangya", "Notes on the Water Classic" and "Yuanhe County Atlas" all have records of Lantian jade.
During the Wanli period of the Ming Dynasty, Song Yingxing said in "Tiangong Kaiwu": "The so-called Lantian is the alias of the jade from the Green Ridge (Kunlun Mountain), and then it was also mistaken for the Lantian of Xi'an."
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There are the following types of good jade:
2.Hetian jade: Hetian jade is one of the most precious jade species in traditional Chinese culture, produced in the silver-deficient area of Hetian, Xinjiang, its color is mainly white, cyan and yellow, with delicate texture, high transparency, and uniform color and texture.
3.Qinghai jade: Qinghai jade is produced in Qinghai Province, its color is mainly cyan, the texture is delicate, the transparency is high, and it has good luster and hardness.
4.Burmese jade: Burmese jade is produced in Myanmar, its color is mainly emerald green, delicate texture, high transparency, and has good luster and hardness.
5.Agate: Agate is a translucent mineral that comes in a variety of colors, including red, yellow, blue, green, etc., and has a hard texture that is suitable for making a variety of ornaments. Volt or feast.
Meet the conditions of good jade:
The best jade is what conditions need to be met, the simplest is of course the color to be masculine, and there is no crack that affects the stability of the jade structure, and dirty color, black spots and other defects to be less or no, take jadeite as an example, jadeite mainly pays attention to a transparency of the acre and water head, high transparency but lack of water is not good, water foot but not high transparency, this kind of jadeite is not the best, the best jadeite is the dragon stone species, water foot, uniform color, high transparency, And there are no stone wool and other such imperfections. <>
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