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Oxidation refers to chemical changes in a variety of jade natural environment and air, water and other substances produced. There are three oxidation phenomena: First, the degree of calcification of varying severity chicken phenomenon; the second is the pits, pitting phenomenon; the third is severely oxidized into a powder. Judging from the mineralogy of jade, its dense texture and extent are different, also mixed contains some other substances, chemical effect in the long part of the texture of the weak, especially jade surface may appear small hole formed by erosion to varying degrees Some large mouth stomach, can be observed under a magnifying glass shiny crystals formed hole chemical change, and this is in any way can not be forged. Yet another case of severe oxidation, usually formed white jade surface in calcification, degree of severity varies, but naturally cover part or all of jade, to a lesser degree, the surface is still shiny, the serious erosion into a powder. The important thing is: the weakest part of jade is usually heavy oxidation, burning fake jade is not the case. Erosion by acids fake jade, which was a large area of ??the surface is usually uneven erosion, pits, plaque obviously, jade their pits so treated are often small outside Tali, no crystal, mottled. This method should be noted that there are few who take advantage of the natural oxidation of fake jade material made devices, which require machining marks from the point of view whether the oxidation universal. "Collection is a set of history, art, literature is one of the comprehensive discipline, it is an accumulation of human civilization, enlightened wisdom of both ancient and beneficial cultural activities." Zhen Yu Guangzhou International Ltd. in southern China as a premier art products company, always adhere to the "integrity, professional" business simply, gathering Art dealers for many years in the operation of the art market, establish a set of identification, demonstration, exhibition, exchange and sales of professional art trading platform, shared collections of resources and high-end customer resources exchanges, and jointly promote the exchange and development of its collections. If you need help, come up with your passion, bring your sincerity, your heart will fly for a while. Contact: Liang Jingli Hotline: 13826146077 E-mail address: 2814350787@qq.com QQ: 1119427149 Website: http: //www.yuzhen168.com/ Call Address: Tianhe District, Guangzhou Pearl River 3 Golden Harvest Road, Metro Building, 2702 US Department of