Properties of Sovite lan Obsidian
ukuran gandum
medium kanggo nggoleki coarse grained
-
rengat
conchoidal
conchoidal
porosity
kurang keropos
banget kurang keropos
luster
subvitreous kanggo kurang
vitreous
tartamtu gravitasi
2.86-2.87
2.6-2.7
Kapadhetan
2.84-2.86 g / cm 3
2.6 g / cm 3
resistance
tahan panas, meksa tahan
tahan panas, impact tahan