pumice Synonyms

pumice stone colmena tuff polish mineral holystone haematite grind gloss furbish fulgurite felspar rock rub sand polish thoroughly ballast stone abrasive sand igneous rock wash stone smooth shine scour sandpaper emery cryolite corundum boron bauxite barite azurite asphalt asbestos aragonite andesite alabaster abrasive brimstone brookite buff cobalt coal cleanse clay chromite chlorite chalcedony carbon calcite burnish