Rock dust can partially replace clay in fired clay pottery. Ferrocement, or cement pottery can use rock dust as sand replacement.

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Biosand filter uses fine sand to filter out impurities, parasites, and pathogenic bacteria from water.

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Distilled water, and rain water have little or no dissolved salts, and have adverse health consequences on humans and animals that drink them. Rock dust may be used to re-mineralize such water.

More about use in water mineralization