Section V — Mineral products
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2513
Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heattreated.
Common commodities
Volcanic pumice stonesNatural corundum grainsRough garnet chunksHeat-treated emery pebblesCrude polishing powder from natural abrasivesRaw grinding stones for industrial useIndustrial minerals (pumice, corundum)Natural abrasive particles (powder form)Unprocessed garnet pieces for sandingHeat-stabilized volcanic rock for grinding