Properties of Rhyolite lan Gneiss
ukuran gandum
gedhe lan coarse grained
medium kanggo coarse grained
rengat
sub-conchoidal
ora duwe aturan baku
porosity
Highly keropos
banget kurang keropos
cleavage
ora kasedhiya
miskin
tartamtu gravitasi
2.65-2.67
2.5-2.7
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.4-2.6 g / cm 3
2.6-2.9 g / cm 3
resistance
tahan panas, nyandhang tahan
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan