Properties of Gneiss lan Eclogite
ukuran gandum
medium kanggo coarse grained
grained nggoleki
rengat
ora duwe aturan baku
ora kasedhiya
porosity
banget kurang keropos
kurang keropos
luster
kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
kateguhan
1.2
ora kasedhiya
tartamtu gravitasi
2.5-2.7
2.86-2.87
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6-2.9 g / cm 3
3.2-3.6 g / cm 3
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas