单斜角闪石的X-射线粉晶法鉴定  

IDENTIFICATION OF MONOCLINIC AMPHIBOLE BY X-RAY POWDER DIFFRACTION

作　　者：宋仁奎[1] 应育浦[1] 李哲[1] 

机构地区：[1]中国科学院地质研究所,北京100029

出　　处：《地质科学》1992年第4期394-398,共5页Chinese Journal of Geology(Scientia Geologica Sinica)

摘　　要：从140个已知成分的角闲石的晶胞参数作图,发现在β-v_0图上不同种属的角闪石有各自的分布区,克服了前人用β-d_(100)图难以喹定角闪石种属的困难。Amphibole is one of the most complex rock-forming minerals. Study of the relation of unit cell parameters to chemical composition of amphibole reveals that its unit cell parameters are affected evidently by chemical composition. According to the international classification principle of crystal chemistry of amphibole, the chemical composition of amphiboles provides a basis for crystal-chemical classification of the amphibole. Therefore, we suggest an intrinsic relation between unit cell parameters and crystal-chemical classication of amphiboles. On the basis of unit cell parameters a large number of accurately named amphiboles is collected, and a β-vo diagram is set up for identifying the species of monoclinic amphiboles.

关 键 词：角闪石 X射线 粉末法 晶胞 

分 类 号：P578.955[天文地球—矿物学]