Properties of Obsidian lan Mylonite
ukuran gandum
ora ditrapake
grained nggoleki
rengat
conchoidal
conchoidal
porosity
banget kurang keropos
Highly keropos
cleavage
non-ana
conchoidal
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6-2.7
2.97-3.05
Kapadhetan
2.6 g / cm 3
2.6-4.8 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan