Properties of Hornfels lan IJOLITE
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
conchoidal kanggo ora rata
porosity
Highly keropos
kurang keropos
luster
mengilap
greasy kanggo kurang
kekuatan compressive
ora Sumadhiya
kateguhan
durung ketemu
ora kasedhiya
tartamtu gravitasi
3.4-3.9
2.6-2.76
Kapadhetan
0.25-0.30 g / cm 3
2.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, nyandhang tahan