Dushan jade is one of the four famous jade in China. It is also known as Nanyang Jade, also known as "Nanyang Jade" or "Henan Jade". Because Dushan jade is produced in Dushan, 8 km north of Nanyang City, Henan Province, it is also called “Jade Jadeâ€. It is different from jadeite and nephrite which consists of only one mineral element. It is an "alteration gabbro" containing a variety of mineral elements, mainly calcium aluminum silicate. It is an ancient jade. Due to the limited number, it has a very high collection value. The hardness of Dushan jade is between 6 and 6.5, and the specific gravity is 3.29. Its hardness is almost comparable to that of jade. Therefore, foreign geologists call it “Nanyang Jadeâ€.
The historical status of Dushanyu has not received much attention in the past. Dushan jade carving has a long history and archaeological projections. As early as 5,000 years ago, the ancestors had already known and used Dushan jade. A Nanyu shovel unearthed from Huangshan Mountain in Nanyang was identified as a product of the late Neolithic Age.
Dushan jade is best in color, high transparency, fine texture and no impurity cracks. Among them, the value of hibiscus stone, permeable white jade and green jade is higher. In addition, the use of jade blocks of different colors to imitate the natural production of the jade jade carving has been well received. The former director of the Forbidden City Museum and the president of the Jade Committee of the Chinese Cultural Relics Society, Yang Boda, once gave this evaluation to Nanyang Dushanyu: "Dun Cui, unique, unique, and unique", meaning that Dushan jade is the world's beautiful jade, uniquely rich, Outstanding, a unique world.
Dushan jade is precious because of its color. The purity and saturation of its color are also very aesthetic. Green Ruo Cui Yu, Bai Ru Cing, Chi Ruo Dan Xia, but the color is tender and full, not greasy, heavy and warm. . Focusing on the glimpse of Dushan jade's works, the glimpse of color beauty and texture beauty, while looking at the overall situation, more to see its texture, decorative beauty. The multi-color coexistence of Dushan jade does not exist for other jade species. Four colors and multiple colors coexist in one stone. It is surprising that "is it natural?", and even more amazing the wonders of nature. What's more, there are miscellaneous distributions among various colors, and the middle gradients are smudged. It seems like the sunset of the desert, the yellow sand is scattered; the cloud shadow of the Huangshan Mountain, the cloud steaming Xiawei; if the Jiangnan water town, the smoke clouds are picturesque. Last year’s Lu Zigang’s gold award, Du Shanyu’s “Smoke Clouds into the Paintingsâ€, was the result of this.
Among the pink and green willows, the Yangge Yan Dance is actually in front of the eyes, but the unique mountain jade carving is the enchanting color of the temperament. If the spring breeze is generally ironed, it is considered a realm of jade and jade!
The characteristics of Dushan jade can be summarized as transparent, hard, light, heavy, and miscellaneous.
Transparency: That is to say, when you look at the light with jade, you can see the light like transparent.
Hard: That is to say, the hardness of jade is high, you can use it to scratch the glass, you can engrave the characters, the small lines of the landscape without breaking.
Light: It is very smooth, and the smoothness of the polishing is not the same, and the more smooth the belt.
Heavy: This needless to say is that the weight is heavier than the equivalent volume.
Miscellaneous: There are some thin strips in the jade, the color is mixed, this is also the characteristics of Nanyang jade.
Dushan jade and Hetian jade, jade jade, and Lantian jade are also called China's four major jade.
Dushan jade is pure blue, and pure white is black.
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