Properties of Obsidian lan IJOLITE
ukuran gandum
ora ditrapake
coarse grained
rengat
conchoidal
conchoidal kanggo ora rata
porosity
banget kurang keropos
kurang keropos
luster
vitreous
greasy kanggo kurang
kekuatan compressive
ora Sumadhiya
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6-2.7
2.6-2.76
Kapadhetan
2.6 g / cm 3
2.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, nyandhang tahan