天河石，绿长石一种绿色微斜长石，常用作半宝石。
A green variety of microcline, often used as a semiprecious stone.
基性斜长石由于遭受钠黝帘石化，其蚀变产物常带绿色色调；
The mafic due to sodium zoisitization, its alteration products often with green color;
基性斜长石由于遭受钠黝帘石化，其蚀变产物常带绿色色调；
The mafic due to sodium zoisitization, its alteration products often with green color;
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