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