Properties of Trachyte lan Rhyolite
ukuran gandum
grained nggoleki
gedhe lan coarse grained
rengat
ora kasedhiya
sub-conchoidal
porosity
kurang keropos
Highly keropos
cleavage
ora kasedhiya
ora kasedhiya
kateguhan
ora kasedhiya
2
tartamtu gravitasi
2.7
2.65-2.67
Kapadhetan
2.43-2.45 g / cm 3
2.4-2.6 g / cm 3
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, nyandhang tahan