Properties of Pumice lan Foidolite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
tilas
putih, greenish putih utawa abu-abu
putih
porosity
Highly keropos
banget kurang keropos
luster
earthy
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
sampurna
kateguhan
3
ora kasedhiya
tartamtu gravitasi
2.86
2.86
Kapadhetan
0.25-0.3 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
impact tahan, meksa tahan
tahan panas, nyandhang tahan