Properties of Pumice lan Biru Granit
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
planar
ora kasedhiya
tilas
putih, greenish putih utawa abu-abu
putih
porosity
Highly keropos
kurang keropos
luster
earthy
subvitreous kanggo kurang
cleavage
sampurna
ora kasedhiya
kateguhan
3
ora kasedhiya
tartamtu gravitasi
2.86
2.8-3
Kapadhetan
0.25-0.3 g / cm 3
2.9-2.91 g / cm 3
resistance
impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan