Properties of Argillite lan Obsidian
ukuran gandum
grained nggoleki
ora ditrapake
rengat
conchoidal kanggo ora rata
conchoidal
tilas
putih kanggo werna abu-abu
putih
porosity
Highly keropos
banget kurang keropos
luster
waxy lan kurang
vitreous
kekuatan compressive
ora Sumadhiya
kateguhan
2.6
ora kasedhiya
tartamtu gravitasi
2.56-2.68
2.6-2.7
Kapadhetan
2.54-2.66 g / cm 3
2.6 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan