Properties of Batu Gamping lan Obsidian
ukuran gandum
grained nggoleki
ora ditrapake
rengat
splintery
conchoidal
porosity
kurang keropos
banget kurang keropos
luster
kurang kanggo pearly
vitreous
kateguhan
1
ora kasedhiya
tartamtu gravitasi
2.3-2.7
2.6-2.7
Kapadhetan
2.3-2.7 g / cm 3
2.6 g / cm 3
resistance
meksa tahan
tahan panas, impact tahan