Properties of Pumice lan Hornfels
ukuran gandum
grained nggoleki
grained nggoleki
tilas
putih, greenish putih utawa abu-abu
dingerteni
porosity
Highly keropos
Highly keropos
cleavage
sampurna
sampurna
kateguhan
3
durung ketemu
tartamtu gravitasi
2.86
3.4-3.9
Kapadhetan
0.25-0.3 g / cm 3
0.25-0.30 g / cm 3
resistance
impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan