Silicon Dioxide Definition

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Silicon Dioxide:

Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.

Synonym: aerosil 380, aerosil, cristobalite, tridymite, silica, sand, quso g-32.