Properties of Hornfels lan Alkali Feldspar Granit
ukuran gandum
grained nggoleki
gedhe lan 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