Properties of Gneiss lan Comendite
ukuran gandum
medium kanggo coarse grained
grained medium
rengat
ora duwe aturan baku
mrembet
porosity
banget kurang keropos
Highly keropos
cleavage
miskin
ora kasedhiya
tartamtu gravitasi
2.5-2.7
2.38
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6-2.9 g / cm 3
ora Sumadhiya
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan