Properties of Hornfels lan Harzburgite
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
Highly keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
kateguhan
durung ketemu
2.1
tartamtu gravitasi
3.4-3.9
3-3.01
transparan
opaque
tembus kanggo opaque
Kapadhetan
0.25-0.30 g / cm 3
3.1-3.4 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, meksa tahan, nyandhang tahan