In the spectrum of pyrophyllite containing more quartz the absorption band tends to damp or vanish.

在含石英较多的叶蜡石红外谱图中，叶蜡石的吸收谱带减弱或消失。

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In the spectrum of pyrophyllite containing more quartz the absorption band tends to damp or vanish.

在含石英较多的叶蜡石红外谱图中，叶蜡石的吸收谱带减弱或消失。

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