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