Properties of Hornfels lan JASPEROID
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
kurang keropos
luster
mengilap
vitreous lan mutiyara
cleavage
sampurna
sampurna
kateguhan
durung ketemu
1
tartamtu gravitasi
3.4-3.9
2.8-3
transparan
opaque
transparent kanggo Translucent
Kapadhetan
0.25-0.30 g / cm 3
2.8-2.9 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, meksa tahan, nyandhang tahan