pumice Definition

pumice stone, dacite, volcanic rock, basalt, metamorphic rock, perlite, sand, igneous rock, limestone, scoria, sponge, bentonite, pumicate, feldspar, lavas, alkali, anhydrite, olivine, loess, silica, mica, calcite, calcium sulphate, pyroclastic, lapilli, gravels, rocks, carnauba wax, concretions, plagioclase, calcium sulfate, sphagnum, pyroxene, dunite, talcum powder, calcium oxide, halite, lepidolite, talcum, sedimentary rock, hornblende, quartz, quicklime, fluorapatite, baking soda, sediment, greywacke, tephra, slaked lime, silicate, tremolite, ash, silt, enargite, tufa, goethite, calcium hydroxide, claystone, aragonite, volcanic crater, flocculant, calcium carbonate, dolomite, mudstone, kaolinite, planetesimal, ejecta, clayey, pyrites, zirconium oxide, slurry, aluminosilicate, labradorite, topsoil, alluvium, granites, chert, magnesium oxide, mud, phyllite, agates, sandy, calcic, diabase, pontil, salts, perchloric acid, chondrules, granules, colluvium, aplite, boulders, quartzite, jarosite, smectite, realgar, tailings, pebbles, microfossil, cinnabar,