Properties of Gneiss lan Gritstone
ukuran gandum
medium kanggo coarse grained
coarse grained
rengat
ora duwe aturan baku
conchoidal
porosity
banget kurang keropos
Highly keropos
kateguhan
1.2
ora kasedhiya
tartamtu gravitasi
2.5-2.7
2.250
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6-2.9 g / cm 3
2.2 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan