Properties of Hornfels lan Slate
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
conchoidal
splintery
tilas
dingerteni
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
kateguhan
durung ketemu
1.2
tartamtu gravitasi
3.4-3.9
2.65-2.8
Kapadhetan
0.25-0.30 g / cm 3
2.6-2.8 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan