玉器的颜色分为两类:一类是材质本身的颜色。也就是玉矿之色,常见的有白色、灰白色、绿色、天青色、黄色、黑色,这些颜色的形成同玉材中所含的微量元素有关;第二类是玉制成器后出现的颜色变化,这是古玉研究中令人关注的问题。玉制成后发生的色变有下列几种:1、玉材在空气中的氧化。玉材暴露于空气中会产生风化,主要的变化是氧化,如人们在相玉时,经常需要透过玉璞去猜测里面的玉色,而多数玉璞的外皮与内部 Jade color is divided into two categories: one is the color of the material itself. That is, the color of jade mine, common white, gray, green, azure, yellow, black, the formation of these colors with the trace elements contained in the jade material; the second category is the jade after emergence of the color Change, which is a concern in the study of ancient jade. Jade made after the color change has the following: 1, jade wood in the air of oxidation. Jade exposed to the air will produce weathering, the main change is oxidation, such as people in the phase jade, often need to guess through the Jade Pu jade inside, and most of the jade Pu skin and internal