Properties of Obsidian lan Jaspillite
ukuran gandum
ora ditrapake
gedhe lan coarse grained
rengat
conchoidal
conchoidal
porosity
banget kurang keropos
banget kurang keropos
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6-2.7
5.0-5.3
transparan
tembus
tembus kanggo opaque
Kapadhetan
2.6 g / cm 3
0-5.7 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, nyandhang tahan