powder crystal meaning in Chinese

粉晶

Appearance : light yellow powdered crystal
外观：淡黄色粉末结晶。
The main element analysis of whole rocks , the ree analysis and the trace element analysis have been done for the granitoid samples in this area . the chemical composition analysis has been done for the amphiboie and biotite minerals . the epma and x - ray powdered crystal diffraction have been done for k - feldspar , plagioclase , amphiboie , biotite , quartz , magnetite , titanite
对本区花岗岩类样品进行了全岩主量元素、稀土元素及微量元素分析，对角闪石和黑云母单矿物进行了化学成分分析，对钾长石、斜长石、角闪石、黑云母、及石英、磁铁矿、磷灰石和榍石进行了电子探针和x射线粉晶衍射分析。