What are the varieties of Mixian jade:
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 color is white, milky white, fine texture, oily luster, often translucent to slightly transparent or opaque. According to the transparency and texture, there are three kinds of water white, oil white and dry white, among which water white The best, Bai Duyu accounts for about 10% of the entire 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, it is often semi-transparent, often with white or brown agglomerates and a transitional color.
6, black Dushan jade
The color is like ink, so it is also called "墨玉". 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 in blocks, bands, opaque, is a common species in Dushan jade.
8, variegated Dushan jade
In the same specimen or finished product, it often appears as two or more of the above two colors, especially in some large Dushan jade raw materials or carvings, there are often four to five or more color varieties, such as green and white. Brown, green, ink and other colors are deposited on the same block with each other in a dip-like or gradual transition. Even in the ring face less than 1cm, brown, green and white colors will coexist. This complex color The 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.
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