Properties of Gneiss lan Appinite
ukuran gandum
medium kanggo coarse grained
nggoleki kanggo coarse grained
rengat
ora duwe aturan baku
conchoidal
porosity
banget kurang keropos
banget kurang keropos
luster
kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
miskin
conchoidal
kateguhan
1.2
ora kasedhiya
tartamtu gravitasi
2.5-2.7
2.86-2.87
transparan
tembus kanggo opaque
tembus kanggo opaque
Kapadhetan
2.6-2.9 g / cm 3
2.95-2.96 g / cm 3
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan