Basing on mineral crystal structure and crystal chemical theory and according to the crystal cell parameter, the atomic arrangement of dravite, etc.
以矿物晶体结构、晶体化学理论为基础,根据镁电气石的晶胞参数、原子排列的特点等,提出了其最小纳米微粒的假设。
The bedded tourmalinite is composed mainly of micrograined dravite, and secondly, of quartz,feldspar,a few caly mineral,arsenopyr.
电气石岩与围岩产状一致，具明显的显微纹层构造；主要成分为微粒镁电气石，其次有石英、长石，少量粘土矿物、毒砂和黄铁矿。
The integral infrared radiance of ferridravite, granite as a control sample, was studied by x-ray diffraction(XRD), chemical analysis, infrared spectra (FTIR) and radiance measurement.
用化学分析、X射线衍射(XRD)、傅立叶红外吸收(FTIR)和低温红外发射率测试等实验手段,以东北产的花岗岩为对比,研究热处理对铁镁电气石红外发射率的影响。