Properties of Obsidian lan Flint
ukuran gandum
ora ditrapake
banget nggoleki-grained
rengat
conchoidal
conchoidal
porosity
banget kurang keropos
Highly keropos
kateguhan
ora kasedhiya
1.5
tartamtu gravitasi
2.6-2.7
2.5-2.8
transparan
tembus
tembus kanggo opaque
Kapadhetan
2.6 g / cm 3
2.7-2.71 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan