Properties of Gneiss lan IJOLITE
ukuran gandum
medium kanggo coarse grained
coarse grained
rengat
ora duwe aturan baku
conchoidal kanggo ora rata
porosity
banget kurang keropos
kurang keropos
luster
kurang
greasy kanggo kurang
kekuatan compressive
ora Sumadhiya
kateguhan
1.2
ora kasedhiya
tartamtu gravitasi
2.5-2.7
2.6-2.76
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6-2.9 g / cm 3
2.6 g / cm 3
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan, nyandhang tahan