Properties of Pumice lan Adakite
ukuran gandum
grained nggoleki
nggoleki grained medium
tilas
putih, greenish putih utawa abu-abu
bluish ireng
porosity
Highly keropos
kurang keropos
luster
earthy
grainy, mutiyara lan vitreous
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
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
impact tahan, meksa tahan
tahan panas, meksa tahan, nyandhang tahan