The world's principal source for pumice is the Lipari Islands, Italy.
And from that cloud showered these hot, pelting pebbles of pumice stone.
pumice and sand are at times added to soap to aid in the removal of dirt in cleansing the hands.
They have all been at work like her, spouting ashes and pumice and rocks and lava.
Rub this coat lightly with water and pumice stone (pulverized), letter, ornament, and finish with a durable finishing varnish.
pumice stone might do it, but it would take your skin off, too.
These pieces of pumice stone are filled into a retort or chamber and the hot gases passed through them.
Trees and herbage were overwhelmed with pumice and volcanic dust.
Two coats of varnish are now applied and rubbed with pumice as above, after each coat becomes thoroughly dry.
Sometimes the pumice was so much burnt, that it was as light as tow.
c.1400, from Anglo-French and Old French pomis (13c.), from Late Latin pomicem (nominative pomex, genitive pumicis), from Oscan *poimex or some other dialectal variant of Latin pumex "pumice," from PIE *(s)poi-mo-, a root with connotations of "foam, froth" (see foam (n.)). Old English had pumic-stan. As a verb, early 15c., from the noun.
pumice pum·ice (pŭm'ĭs)
A light, porous, glassy lava, used as an abrasive.