选玉(国外英文资料).docVIP

选玉(国外英文资料) China nephrite jade and jadeite are divided into two categories. Jadeite, commonly known as Chinese jade, is a traditional Chinese jade in the bright younger generation, is the modern jade in the top grade. The common jade color is white, gray, powder, light brown, green, green, yellow green, purple, etc., most opaque, individual translucent, with glass luster. The color and texture, with turquoise, green, yellow green, Yang Yang Qiao green, green glass, parrot green, spinach green, shallow green, green, green, shallow green, plum rind frog green, blue green, gray green, green, and violet, more than 20 varieties of lotus root starch. Said the nephrite real jade, white jade, jade, jade, jade and black jade Qing, they have a waxy luster, pure white, from the ancient jade, jade in Chinas ancient Nephrite Nephrite, called traditional jade in china. Nephrite common colors are white, gray, green, dark green, yellow, black and other colors, most opaque, individual translucent, shiny glass, nephrite is the main species according to different color classification. The best white jade as white as ivory, white jade said. Jade was white to bluish white, there are people called gray white jade green jade. Jasper is green or dark green, sometimes visible black dirty spots, is containing impurities, such as chromium, spinel, minerals and so on. When the content of impurities is black, is the precious jade. Topaz is also a rare variety. Sapphire has sweet yellow hull, the existing known as sugar jade, white with pink who was known as Pink Jade , Tiger color is called jade tiger . People who play jade first are afraid to encounter fakes because they do not understand it. At present, the identification of glass imitation jade products on the market is probably the most common and simplest type of fakes. Commonly known as jade naked ring, chicken heart, jade piece etc.. This kind of glass is made of casting mold, and when it comes to the mould, the high temperature glass l