Properties of Tuff lan Pumice
ukuran gandum
grained nggoleki
grained nggoleki
tilas
putih
putih, greenish putih utawa abu-abu
porosity
Highly keropos
Highly keropos
luster
vitreous kanggo kurang
earthy
cleavage
ora kasedhiya
sampurna
kateguhan
ora kasedhiya
3
tartamtu gravitasi
2.73
2.86
Kapadhetan
1-1.8 g / cm 3
0.25-0.3 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
impact tahan, meksa tahan