Properties of Hornfels lan Wehrlite
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
Highly keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
sampurna
kateguhan
durung ketemu
2.1
tartamtu gravitasi
3.4-3.9
8.4
Kapadhetan
0.25-0.30 g / cm 3
2.6-3.7 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan