Properties of Gneiss lan Marble
ukuran gandum
medium kanggo coarse grained
grained medium
rengat
ora duwe aturan baku
ora kasedhiya
porosity
banget kurang keropos
kurang keropos
luster
kurang
kurang kanggo mutiyara kanggo subvitreous
kateguhan
1.2
ora kasedhiya
tartamtu gravitasi
2.5-2.7
2.86-2.87
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6-2.9 g / cm 3
2.4-2.7 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas