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