How to learn to judge a type of jade?

How to learn to judge a type of jade? How to learn to judge a type of jade? Early Shang Dynasty jade found in small, relatively rough cut system in general. In the late Shang Dynasty jade tomb of Fu Hao Yin Ruins in Anyang jade represented a total of 755 jade, use can be divided into ritual, ceremonial, tools, appliances, life, ornaments and miscellaneous six major categories. Shang Yu Jiang and Tian use in larger quantities. Shang Yi appeared imitation bronze (yi yi) the Jasper Gui (gui ghost), jade Gui and other practical utensils. Animals, figures much higher than the geometric jade jade, Yulong, Yufeng, jade parrot, look different, Shaw completed the form and spirit. Jade, or standing, or kneeling, or sitting posture and diverse; a master or slave, prisoner, it is difficult to discern. Shang has emerged earliest pretty color jade - jade turtle. The most stunning and most successful is that Shang has begun work with a lot of sculpture in the round, in addition to Yu Jiang also use double parallel incised lines (commonly known as double hook line), consciously a male pattern presented in two Yin middle, so that yin and yang lines also play a vigorous and effective role, and the entire pattern change so do their wonderful song. Both eliminate completely the use of Yinxian monotony, but also enhance the three-dimensional pattern design lines. Introduction: Shanghai Port powerful combination, creating Shanghai auction Festival famous high-end services, collecting fine antique 2011 Shanghai Spring Extreme major art auctions dccoll.com, have the authority of the expert team, now for overseas and Hong Kong, Zhejiang, Shanxi section Fortune 500 high-end buyers and a good collection in the national assembly. To collect 2012 Spring Auctions collections, all collections need to keep up the market, the collection intact, goods with a complete, high recognition and strong operability! Call Requirements: famous paintings: Chinese ancient and modern famous paintings, oil paintings, watercolor paintings and other art forms are not limited. Fine ceramics: the ancient mouth of the kiln on behalf of the kiln, the five famous kilns in the Song, Yuan, Ming and Qing dynasties better. Jade: high jade, Ming and Qing dynasties and nephrite, A grade jadeite jade as the requirements of good quality, fine carving. Miscellaneous Gifts: bamboo ivory, four treasures, Tian Huang, bloodstone, gold and silver, bronze and the like. Ming and Qing furniture: a variety of materials hardwood furniture, sandalwood and Hainan pear best. Solicitation Procedure: All collectors DAILYAUCTION collections, please send the following email (required indicate the name and contact information and psychological level) we will give immediate reply when viewing a contact: Zhengjing 18817610809 E-mail: 450377870@qq.com Company Address: 9th Floor, No. 941 Jiaozhou Road, Shanghai long business center Note: The company now provides identification ① ② ③ auction collection certificate detect ④ join or host a personal special auction ⑤ ⑥ sales promotion works