In han xu "shuo wen jie zi," said, Green Jade jade, stone and the beauty of the five DE. The five DE that refers to the jade five characteristics. With all the resilience of the quality of a material, crystal embellish burnish, gorgeous color, density and transparent organization, ShuYang nerwork the beauty of sound stone, is considered the jade. By this standard, the ancients idea of the jade, including not only real jade (Angle flash stone) also includes serpentine, turquoise, malachite, agate, crystal, amber, red colored stone emerald and jade. Therefore, in appreciation gu yu, can't we use modern scientific knowledge to discern actor, also must have historical perspective.
China is the world's main Chinese Zodiac Jade production jade country, not only has a long history of mining, and its distribution is extremely vast, accumulate abundant quantity. According to the sea classics records, the location of the yield jade China has over two hundred sites. After thousands of years of exploitation, some jade ore has dried up, but some famous jade mine still on a large amount of mining, for Chinese jade carving artistic forward development, provide endless stream of raw material. China's most famous yield jade is xinjiang hetian. Hetian jade aggregates of the rich, colour and lustre is the most colourful, the best in quality, the price is the, is the ancient Chinese Jade Bracelet jade an important source of raw materials, the imperial all love with hetian jade grinding device. In addition to the hetian jade, gansu jiuquan of jade, jade, lam of shaanxi province, henan dushan jade and dense county jade, of liaoning xiuyan jade etc, and it is also the Chinese jade commonly used raw materials.

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