天气预报 > 其他 > 蜜蜡用刀刮一定是粉末么
蜜蜡用刀刮一定是粉末么
更新时间: 2020-09-07 00:00:00  

刀削鉴别法:由于蜜蜡本身的结构特点,用刀削蜜蜡琥珀表面削会成粉末状,部分也会崩裂成小块状。树脂会成块脱落,塑料会成卷片,玻璃是削不动。此试验会对首饰带来损伤,挑掉切掉的地方只能找专业人员修补,最好是不做或是少做,以免对琥珀造成损坏。

关键词: 一定 粉末

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