Properties of Rhyolite lan Porphyry
ukuran gandum
gedhe lan coarse grained
grained nggoleki
rengat
sub-conchoidal
ora duwe aturan baku
porosity
Highly keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
cacat
tartamtu gravitasi
2.65-2.67
2.5-4
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.4-2.6 g / cm 3
2.5-2.52 g / cm 3
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan