any of a group of naturally occurring, water-insoluble substances, obtained from clay or synthesized, containing varying amounts of oxides of aluminum and silicon, Al2O3 and Si2O3, and used in the manufacture of glass, ceramics, paints, printing inks, rubber, and plastics.
- Compare mullite.
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How to use aluminum silicate in a sentence
China clay, or aluminum silicate, is a permanent and valuable white pigment showing very little hiding power in oil.Paint Technology and Tests | Henry A. Gardner
Clay is soil consisting principally of aluminum silicate; in chalk, soft calcium carbonate predominates.
Jadeite is a sodium aluminum silicate and nephrite, a calcium magnesium silicate.A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public | Frank Bertram Wade
Pyrophyllite (hydrated aluminum silicate) resembles talc in some of its properties and is used in much the same way.The Economic Aspect of Geology | C. K. Leith