Properties of Hornfels lan Adamellite
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
ora kasedhiya
porosity
Highly keropos
kurang keropos
luster
mengilap
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
cleavage
sampurna
ora kasedhiya
kateguhan
durung ketemu
ora kasedhiya
tartamtu gravitasi
3.4-3.9
2.6-2.7
Kapadhetan
0.25-0.30 g / cm 3
2.6-2.8 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, nyandhang tahan