Properties of Hornfels lan Itacolumite
ukuran gandum
grained nggoleki
coarse utawa nggoleki
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
cleavage
sampurna
sampurna
kateguhan
durung ketemu
2.6
tartamtu gravitasi
3.4-3.9
2.2-2.8
Kapadhetan
0.25-0.30 g / cm 3
2.2-2.8 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan