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