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