Henan jade dushan jade
Dushan jade, also known as "Nanyang Jade" or "Nanyu", is produced in Dushan, north of Nanyang City. It is one of the four famous jade in the country. Dushan jade is tough and delicate, delicate and soft, shiny and transparent, and the color is mottled. There are 77 color types of green, white, yellow, purple, red and white pigments, which are the first-class raw materials of jade carving. Dushan jade carving has a long history. The jade shovel produced in the Huangshan Neolithic Age Site near Dushan in 1959 proves that the ancestors have known and used Dushan jade more than 5,000 years ago. The site of the "Yujie Temple" at the foot of the Dushan Mountain is the place where the jade carvings were made in the Han Dynasty. The Qing Dynasty "Newly-built Nanyang County" contains: "The residents of the county are north, and the multi-cut jade is a living." Old China, Nanyang jade carving has formed a large industry, there are more than 80 workshops in the city, mostly after the workshop, opened in front, from Carved for sale. Jade carvings mainly include more than 120 varieties of characters, flowers, birds and beasts, landscapes, statues, furnaces, and jewelry. The unique jade carvings are glittering, exquisite and transparent, and are famous products of Nanyang. 1. Variety Due to the color minerals and various pigment ions, the color of Dushan jade is complex and varied. More than 50% of them are variegated jade, 30% are green jade, and 10% are white jade. The composition of jade is green or emerald green when it contains chromium; it is yellow when it contains vanadium; it is reddish when it contains iron, manganese and copper; it also contains titanium, iron, manganese, nickel, cobalt, zinc and tin. Purple and so on. Dushan jade is a multi-color jade that can be divided into eight varieties according to color. 1 Green Dushan jade: green to emerald green, including green, gray-green, blue-green, yellow-green, often accompanied by white jade, uneven color distribution, mostly irregular band, filament or agglomerate distribution. The texture is exquisite, similar to jade, with glass luster, transparent to translucent performance, among which translucent blue-green jade is the best variety of Dushan jade, which is also known as “Tianlan jade†in business, or “ Nanyang Cuiyu." In the mining of mines in recent years, the output of such high-quality varieties has gradually decreased. Most of them are gray-green opaque green jade. 2 Red Dushan jade: also known as "Furong jade". Often expressed as pink or hibiscus, different shades, generally micro-transparent to opaque, fine texture, good gloss, and a transitional relationship with white jade. The content of such jade is less than 5%. 3 Bai Dushan jade: the overall white, milky white, fine texture, oily luster, often translucent to slightly transparent or opaque, according to transparency and texture, there are three kinds of water white, oil white, dry white Among them, permeable white is the best, and white jade is about 10% of the whole Dushan jade. 4 Purple Dushan jade: The color is dark purple, the texture is fine, hard and dense, the glass is shiny, and the transparency is poor. Commonly known as bright brown jade, sauce purple jade, brown jade, purple jade, brown jade. 5 Huang Dushan jade: for different depths of yellow or brownish yellow, often semi-transparent distribution, which often has white or brown agglomerates, and has a transitional color. 6 black Dushan jade: color is like ink, so it is also called "moyu". Black, dark green, opaque, coarser particles, often blocky, agglomerate or point-like, accompanied by white jade, this species is the worst variety in Dushan jade. 7 Qing Dushan jade: cyan, gray cyan, blue cyan, often expressed as block, band, opaque, is a common species in Dushan jade. 8 variegated Dushan jade: often appears in the same specimen or finished product as the above two or more colors, especially in some large Dushan jade raw materials or carvings often appear four to five or more Color varieties, such as green, white, brown, cyan, ink and other colors are dipped or gradual transitions on the same block, even in the ring less than 1cm, brown, green and white will appear. Coexistence, this complex color combination and distribution characteristics have important guiding significance for the identification of Dushan jade. The variegated jade is the most common variety in Dushan jade, accounting for more than 50% of the total reserves. The color is in good order, pure green, emerald green, blue-green, light blue-green, blue-transparent white, green and white, dry white and variegated. 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. Since Dushan jade is mainly used for jade materials, the larger the block size, the better. Generally, the requirement should be more than 1 kg. Individual grades for jewelry can be lowered. High Waist Overalls,Casual Loose Women`S Overalls,Women`S Overalls,Custom Women`S Overalls Shaoxing Ayura Clothing Co., Ltd , https://www.sxayura.com