Properties of Pumice lan Wehrlite
ukuran gandum
grained nggoleki
coarse grained
rengat
planar
ora duwe aturan baku
tilas
putih, greenish putih utawa abu-abu
putih
porosity
Highly keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
sampurna
tartamtu gravitasi
2.86
8.4
Kapadhetan
0.25-0.3 g / cm 3
2.6-3.7 g / cm 3
resistance
impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan