试金石是一种小块的深色石材,例如板岩放射虫岩就属于试金石,它们主要用来分析贵金属合金的纯度。试金石具有细腻的表面,软金属在试金石上会留下可见的痕迹[1]

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试金石套装

历史

印度河流域文明古希腊的人民就懂得使用试金石来探测软金属的纯度[2][3]

参考文献

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