Properties of Obsidian lan tatanan wesi banded
ukuran gandum
ora ditrapake
gedhe lan coarse grained
rengat
conchoidal
ora rata, splintery utawa conchoidal
porosity
banget kurang keropos
Highly keropos
kekuatan compressive
ora Sumadhiya
kateguhan
ora kasedhiya
1.5
tartamtu gravitasi
2.6-2.7
5.0-5.3
transparan
tembus
tembus kanggo opaque
Kapadhetan
2.6 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan