Noun
Same as Pumice.
Source: Webster's dictionarypumice-stone
It's a vast, lonely, forbidding expanse of nothing rather like clouds and clouds of pumice stone. And it certainly does not appear to be a very inviting place to live or work. Frank Borman
Named for the abrasive, porous volcanic rock, a pumice stone is perfect for removing dead skin from heels and callouses. Source: Internet
When you're finished, rinse off the pumice stone and apply some moisturizer to your skin. Source: Internet