Properties of Hornfels lan Tonalite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
tilas
dingerteni
bluish ireng
porosity
Highly keropos
banget kurang keropos
luster
mengilap
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
ora kasedhiya
kateguhan
durung ketemu
2.1
tartamtu gravitasi
3.4-3.9
2.86-3
Kapadhetan
0.25-0.30 g / cm 3
2.73 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, meksa tahan, banyu tahan