Properties of Rhyolite lan Comendite
ukuran gandum
gedhe lan coarse grained
grained medium
rengat
sub-conchoidal
mrembet
tilas
wernane
bluish ireng
porosity
Highly keropos
Highly keropos
cleavage
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.65-2.67
2.38
Kapadhetan
2.4-2.6 g / cm 3
ora Sumadhiya
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan