Properties of Coquina lan Phyllite
ukuran gandum
coarse grained
medium kanggo nggoleki coarse grained
rengat
ora duwe aturan baku
conchoidal
porosity
Highly keropos
Highly keropos
luster
kurang kanggo vitreous kanggo submetallic
phyllitic
cleavage
ora kasedhiya
crenulation lan mrembet
kateguhan
ora kasedhiya
1.2
tartamtu gravitasi
1.10-2.24
2.72-2.73
Kapadhetan
2.8-2.9 g / cm 3
2.18-3.3 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, meksa tahan, banyu tahan