Answer: pumice

AnswerCrossword Clue
PUMICERock used for polishing
pumiceporous volcanic glass used as an abrasive
pumiceto polish with a porous volcanic rock
PUMICEVolcanic rock
PUMICEAbrasive lava
PUMICEAbrasive stone stuff
PUMICEPorous pyroclastic
PUMICEExfoliation tool
PUMICERock that may float
PUMICEStonelike abrasive
PUMICEStone used by pedicurists
PUMICEAbrasive stuff
PUMICECommon exfoliant ingredient
PUMICEKind of abrasive
PUMICEAbrasive rock
PUMICEAn abrasive
PUMICEPedicure stone
PUMICEHardened volcanic froth
PUMICEVolcanic glass
PUMICEPolishing powder
PUMICEPolishing material
PUMICEAbrasive.
PUMICEType of stone.
PUMICEVolcanic glass.
PUMICEPolishing material.
PUMICEExfoliant ingredient
PUMICEStuff in pencil erasers
PUMICEAbrasive material
PUMICEPedicurist's stone
PUMICECleaning stone
PUMICENail salon abrasive
PUMICESpongy form of volcanic glass