天气预报 > 其他 > 绿松石变色了可以判断是真的吗
绿松石变色了可以判断是真的吗
更新时间: 2020-06-29 00:00:00  

一、变色原因:绿松石受热易褪色,也容易受强酸腐蚀变色。此外硬度越低的绿松石孔隙越发育,越具有吸水性和易碎的缺陷,因而油渍、污渍、汗渍、化妆品、茶水、铁锈等均有可能顺孔隙进入,导致难以去除的色变;

二、鉴别方法:

1、染色:染色绿松石颜色不自然,国内市场上的染色绿松石常呈深蓝绿色或深绿色,且过于均匀,但在裂隙处,颜色变深。染色绿松石颜色很浅,一般在1毫米左右,某些地方可能露出浅色的核;

2、注塑:注塑包括无色和有色塑料的注入,注塑处理的绿松石头可以通过以下几点进行鉴

关键词: 变色 可以 判断 真的

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