Properties of Rhyolite lan Obsidian
ukuran gandum
gedhe lan coarse grained
ora ditrapake
rengat
sub-conchoidal
conchoidal
porosity
Highly keropos
banget kurang keropos
cleavage
ora kasedhiya
non-ana
kateguhan
2
ora kasedhiya
tartamtu gravitasi
2.65-2.67
2.6-2.7
Kapadhetan
2.4-2.6 g / cm 3
2.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan