Jade, the beauty of stone, in the Confucian culture, is the jade and gentleman linked, "gentleman than virtue in jade" view prevails. Now, people's love for jade is not less than before. In today's better and better living conditions, there are more and more people who like the collection of jade seals.
Huanglongyu is a kind of jade, originally called topaz. It has the color of Tianhuang and the hardness of jadeite. It has good hardness, high permeability and rich colors. Because it is produced in Longling and mainly in yellow, it is finally named huanglongyu. Longyu, also known as longhuanglongshi. The excellent gem grade Huanglong jade is mainly produced in Xiaoheishan Nature Reserve, Longling County, Baoshan City, Yunnan Province, and the surrounding Supa River Basin. It is very close to the jadeite producing area of Myanmar, and belongs to the Yunnan gem ore-forming belt formed by the compression of Eurasian plate and Indian Ocean plate. This jade seal is huanglongyu's seal of peace in the golden age, which weighs 5.5kg and is rare in the world
According to the change of the transparency of Huanglong jade ornaments, it can be divided into five grades: transparency, sub transparency, translucency, micro transparency and opacity. From high to low, they are T1, T2, T3, T4 and T5. Generally speaking, the Huanglong jade that can reach the jewelry level has few flaws, even if there are, it is only in the inconspicuous part, otherwise its value will be greatly reduced, so the existence of flaws in Huanglong jade will reduce the value of Huanglong jade to varying degrees. Each piece of huanglongyu generally contains natural contents, just like natural birthmark. The quantity, size, shape and color of these contents determine the purity and uniqueness of each piece of huanglongyu. In the visual inspection of Huanglong jade ornaments, the defect content and distribution of the interior and exterior are classified. According to the change of the purity of Huanglong jade ornaments, it can be divided into four grades: extremely pure, pure, semi pure, and under pure. From high to low, it can be expressed in the order of j 1, j 2, J 3, and j 4. The lustre of huanglongyu can be divided into grease lustre, wax lustre, glass lustre and earth lustre. The luster of Huanglong jade ornaments is divided into four grades, which are G1, G2, G3 and G4 from high to low;
Because Huanglong jade was found in a short time, its cultural heritage is far less than Hetian jade and jadeite jade, and its nature is not stable. So in recent years, the market for the collection of Huanglong jade has gradually become rational, and the price has also dropped a lot compared with that of that year. But generally speaking, the appearance of Huanglong jade is still the biggest surprise of the jade market. It has the warmth of Hetian jade, the hardness of jadeite, the color of Tianhuang, and the flexibility of Shoushan stone, which is the best carving material and the most ornamental gem.
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