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