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。
In the spectrum of pyrophyllite containing more quartz the absorption band tends to damp or vanish.
峨嵋叶蜡石矿储量大，矿石类型主要有石英叶蜡石型、硬水铝石叶蜡石型、叶蜡石型、明矾石叶蜡石型等。
Emei pyrophyllite deposit possesses a large amount of reserves with different types of pyrophyllite ore, such as quartz-pyrophyllite, diaspore-pyrophyllite, pyrophyllite and alunite-pyrophyllite etc.
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