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