一种含硅酸铝的矿物，是高岭土的主要来源。
A mineral consisting of aluminum silicate; main source of kaolin.
高岭土的工艺矿物学特征直接决定着它的工业用途。
The characteristics of the technological mineralogy of kaolin directly decide its industrial utilization.
致色杂质降低了高岭土的亮度并限制了它的应用范围。
Discoloring impurities lowers the brightness of kaolin and limits its use.
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