Properties of Coquina lan Foidolite
ukuran gandum
coarse grained
medium kanggo nggoleki 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
sampurna
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
1.10-2.24
2.86
Kapadhetan
2.8-2.9 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, nyandhang tahan