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