天气预报 > 其他 > 教你怎样鉴别缠丝玛瑙
教你怎样鉴别缠丝玛瑙
更新时间: 2020-08-17 00:00:00  

鉴别方法主要有以下五个方面:

1、花纹和颜色 :真缠丝玛瑙色泽鲜明光亮,假缠丝玛瑙的色和光均差一些。天然缠丝玛瑙颜色分明,条带花纹十分明显;

2、质地 :假缠丝玛瑙多为石料仿制,较真缠丝玛瑙质地软,用玉在假缠丝玛瑙上可划出痕迹,而真品则划不出。从表面看丝玛瑙少有瑕疵,劣质则较多。;

3、透明度 :真缠丝玛瑙稍有混沌,有的可看见自然水线或“云彩”;

4、重量 :真缠丝玛瑙首饰首饰重一些;

5、温度: 真缠丝玛瑙冬暖夏凉。

关键词: 怎样 鉴别 玛瑙

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