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玉有裂痕怎么看
更新时间: 2021-01-27 18:49:55  

1、强光手电筒是观察珠宝玉器比较常用的辅助工具,强光手电筒大多在两种情况下使用,第一是选购玉石的时候,第二是鉴别原石的时候。选购玉石的时候用强光手电就是为了观察玉石是否有瑕疵,是否有可接受的明纹、暗纹等等。

2、一般买玉石打光的方法是将玉石平放然后从下向上打光,光线由下到上贯穿整个玉石,对于透明或半透明的玉石成吕,是否有裂有纹,一目了然。

关键词: 裂痕 怎么

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