英语语法分析

A green variety of microcline, often used as a semiprecious stone.

天河石，绿长石一种绿色微斜长石，常用作半宝石。

Feldspar can be divided into two large group, the potassium feldspar includes orthoclase and microcline.

长石可以分为钾长石和斜长石两大类，钾长石中包括正长石和微斜长石。

Perthite is orthoclase or microcline and albite over the product, which is more than orthoclase or microcline albite.

条纹长石是正长石或微斜长石与钠长石交生的产物，其中正长石或微斜长石多于钠长石。