Identification of specific fineness of gold

People in long-term practice found that a variety of different fineness of gold, its color and gloss and disparate, through long-term observation and analysis, summed up the gold (Qingse gold) coupler formulas - "seven green, eight yellow nine with red (or nine red), forty-six not golden. " Qi Qing means Qicheng (gold 70%) the presentation of the gold color is Qinghuang color. Eight yellow refers to eighty percent (80% gold) of gold the presentation of the color yellow is positive. Nine with red means ninety percent (90% gold) of gold the presentation of the color is yellow in color is red gold. Forty-six not golden, it refers to the fineness of less than Liu Cheng (inclusive of 60%) of gold, the presentation of the color is not possess gold color, and Liu Cheng less white in yellow gold, four percent less of gold, its color is completely washed out of. According to gold color, luster judge the fineness of gold, is a simple and reliable method for identifying fineness of gold. Zircon prices net http://www.gaoshijiage.com/xinwen/2013/0404/11.html focused on providing wholesale zircon, to provide you with Arrows zircon price online consultation order. ?