Properties of Coquina lan Minette
ukuran gandum
coarse grained
nggoleki kanggo coarse grained
rengat
ora duwe aturan baku
conchoidal
porosity
Highly keropos
banget kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
subvitreous kanggo kurang
cleavage
ora kasedhiya
conchoidal
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
1.10-2.24
2.86-2.87
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.8-2.9 g / cm 3
2.95-2.96 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan