Properties of Coquina lan Pegmatite
ukuran gandum
coarse grained
medium kanggo coarse grained
rengat
ora duwe aturan baku
conchoidal
porosity
Highly keropos
kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
grainy, mutiyara lan vitreous
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
sampurna
kateguhan
ora kasedhiya
2.1
tartamtu gravitasi
1.10-2.24
2.6-2.63
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.8-2.9 g / cm 3
2.6-2.65 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan