Properties of Tuff lan Hornfels
ukuran gandum
grained nggoleki
grained nggoleki
rengat
ora rata
conchoidal
porosity
Highly keropos
Highly keropos
luster
vitreous kanggo kurang
mengilap
cleavage
ora kasedhiya
sampurna
kateguhan
ora kasedhiya
durung ketemu
tartamtu gravitasi
2.73
3.4-3.9
Kapadhetan
1-1.8 g / cm 3
0.25-0.30 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan