A white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite. Synonyms: silica, silicon dioxide.
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"Silicon oxide" Quotes from Famous Books ![]() ![]() — A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public • Frank Bertram Wade |
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