These final samples are all plagioclase FB. Many plagioclases are very rare, so I am particularly proud of the variety in my collection.

最后这个样本全部是斜长石，有一些斜长石是很少见的，所以我对于我的收集种类之多而感到自豪。

youdao

These final samples are all plagioclase FB. Many plagioclases are very rare, so I am particularly proud of the variety in my collection.

最后这个样本全部是斜长石，有一些斜长石是很少见的，所以我对于我的收集种类之多而感到自豪。

youdao