Properties of Granophyre lan Obsidian
ukuran gandum
medium kanggo nggoleki coarse grained
ora ditrapake
rengat
ora kasedhiya
conchoidal
porosity
kurang keropos
banget kurang keropos
luster
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
vitreous
cleavage
ora kasedhiya
non-ana
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6-2.7
2.6-2.7
Kapadhetan
2.6-2.8 g / cm 3
2.6 g / cm 3
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan