Is in crystal or powder/fine-particled form, usually abrasive and dusty with colour ranging from transparent to white or reddish. Used in glass and steel making processes. Please see "IMO Classification" for sand.
Trade Names (Synonyms)
Agate - Amethyst - chalcedony -cherts -cristobalite -flint -onyx - pure quartz - quartz - quazo puro - rose quartz - sand - silica (silicon dioxide ) - silica,crystalline - silica flour - silicic anhydride - silicon dioxide -tridymite - tripoli.


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