Properties of Hornfels lan Theralite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
ora rata, splintery utawa conchoidal
porosity
Highly keropos
Highly keropos
luster
mengilap
waxy lan kurang
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
non-ana
kateguhan
durung ketemu
1.5
tartamtu gravitasi
3.4-3.9
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
0.25-0.30 g / cm 3
2.7 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
impact tahan, meksa tahan, nyandhang tahan