Properties of Obsidian lan Hyaloclastite
ukuran gandum
ora ditrapake
grained nggoleki
rengat
conchoidal
ora kasedhiya
porosity
banget kurang keropos
Highly keropos
luster
vitreous
kurang lan grainy
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6-2.7
ora Sumadhiya
Kapadhetan
2.6 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas