Properties of Pumice lan Icelandite
ukuran gandum
grained nggoleki
banget nggoleki-grained
tilas
putih, greenish putih utawa abu-abu
putih
porosity
Highly keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
ora kasedhiya
tartamtu gravitasi
2.86
2.5-2.8
Kapadhetan
0.25-0.3 g / cm 3
2.11-2.36 g / cm 3
resistance
impact tahan, meksa tahan
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan