Properties of Obsidian lan Greenschist
ukuran gandum
ora ditrapake
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
banget kurang keropos
Highly keropos
kekuatan compressive
ora Sumadhiya
kateguhan
ora kasedhiya
1.5
tartamtu gravitasi
2.6-2.7
2.5-2.9
Kapadhetan
2.6 g / cm 3
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
impact tahan, meksa tahan, banyu tahan