一.肉眼观察以绿色者最佳,但常呈现杂色,多见黄色、橙色至褐色、白色或黑色。由于混入物的差异,也可见粉红或黄色。因此,可能出现许多颜色。光泽是很重要的标志,它是宝石对光源反射产生的外观质感,与宝石的折射率和抛光程度有关,翡 First, the naked eye to observe the best green, but often variegated, more common in yellow, orange to brown, white or black. Due to the differences in the mix, pink or yellow is also seen. Therefore, many colors may appear. Gloss is a very important symbol, it is the appearance of gems on the light reflection of the appearance of the texture, and gem refractive index and the degree of polishing, Fei