Properties of Coquina lan Migmatite
ukuran gandum
coarse grained
medium kanggo nggoleki coarse grained
rengat
ora duwe aturan baku
ora duwe aturan baku
porosity
Highly keropos
banget kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
kurang kanggo mutiyara kanggo subvitreous
cleavage
ora kasedhiya
miskin
kateguhan
ora kasedhiya
1.2
tartamtu gravitasi
1.10-2.24
2.65-2.75
Kapadhetan
2.8-2.9 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, meksa tahan