Properties of Obsidian lan Claystone
ukuran gandum
ora ditrapake
grained nggoleki
rengat
conchoidal
ora kasedhiya
porosity
banget kurang keropos
banget kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
sampurna
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
2.6-2.7
0
Kapadhetan
2.6 g / cm 3
2-2.9 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan