Properties of Gneiss lan Quartzite
ukuran gandum
medium kanggo coarse grained
grained medium
rengat
ora duwe aturan baku
ora rata, splintery utawa conchoidal
porosity
banget kurang keropos
kurang keropos
cleavage
miskin
indiscernible
tartamtu gravitasi
2.5-2.7
2.6-2.8
transparan
tembus kanggo opaque
transparent kanggo Translucent
Kapadhetan
2.6-2.9 g / cm 3
2.32-2.42 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan