和田软玉与青海软玉均产于中酸性侵入岩与镁质大理岩的接触带。在矿物成份上都以透闪石为主 ,但它们在产出特征、化学成份、物理及光学性质等方面存在一定的差异。其中结构、透明度、硬度、韧性、颜色等在一定程度上可以作为鉴别标志 Hetian nephrite and Qinghai nephrite are both produced in the contact zone of intermediate-acidic intrusive rocks and magnesian marble. Most of the minerals are tremolite, but there are some differences in their output characteristics, chemical composition, physical and optical properties. The structure, transparency, hardness, toughness, color, etc., to a certain extent, can be used as identification mark