distinguish jade

　　　　　　　　　　　Black lacquer distinguish ancient
Chang-Qin Ru substances jade in the soil, dirt, mercury, pearls, Yellow Gold iron, cinnabar, rosin, wood, fabric, bloodstained, pigments and other colored juice substances. But by the size of the Qin to the extent of soil, climate, pressure, temperature and other conditions vary. Most substances with a certain amount of color, different material Qinru jade inside, office brought a variety of colors of jade. These color Qin generally go outside to the inside to the distribution, there is a hierarchical sense, spiritual sense of dynamic and transparent, looked very natural, very comfortable. Unlike the Qin-artificially dyed jade, color hair die, attached to the surface, both inside and outside Liangzhang Pi, there is no layering. Of course, part of the Qin jade color is opaque, this edge of Qin and levels is also very clear, unlike Qin-artificially dyed blurred as one. There is also a situation in which Qinru or contact with substances, and the qualitative composition of jade jade chemical reaction to form a new substance from the radiant Yi Yu-yi, so that jade defect occurs, this image is called erosion or corrosion. Heavy metal or heavy metal salts Qinru jade inside, it could almost make Qinru depression where it focused on the phenomenon.

Qin of mercury have this phenomenon. 300 years, acid-activated large or larger Alkaline substances, able to penetrate skin jade into Yuli; other substances can only be attached to the surface. 500 years, the general substance through the surface of jade; mercury can be formed in the jade mist, or lock into the grain. 1000 or so, the general substance may enter the jade texture; mercury can be formed on Yin jade or gray, black spots, or the formation of a regular strip, or the root-like gray-black decoration, such as ox hair pattern.

Qin mercury mercury mercury both from the funeral, but also mercury from the soil. Generally speaking, soil mercury can not put into a jade Qin half of it urges black or all black, so people are accustomed to bringing into the half of it urges Qin black or all black is called black-Qin Gu, will Qin into a linear or small spots of mercury called Qin. Millennium mercury within the Qin general less black, in 2000 the mercury within the Qin does not shine, more than 2000 black and thick, bright mercury Qin River, there is the phenomenon of depression or a flash of silver stars. Time should be in 1600 years.