Properties of Hornfels lan Coquina
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
Highly keropos
Highly keropos
luster
mengilap
kurang kanggo vitreous kanggo submetallic
kekuatan compressive
ora Sumadhiya
cleavage
sampurna
ora kasedhiya
kateguhan
durung ketemu
ora kasedhiya
tartamtu gravitasi
3.4-3.9
1.10-2.24
Kapadhetan
0.25-0.30 g / cm 3
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan