Properties of Pumice lan Pantellerite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
planar
sub-conchoidal
tilas
putih, greenish putih utawa abu-abu
dingerteni
porosity
Highly keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
conchoidal
tartamtu gravitasi
2.86
ora Sumadhiya
transparan
opaque
tembus kanggo opaque
Kapadhetan
0.25-0.3 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
impact tahan, meksa tahan
tahan panas