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