Properties of Kapur lan Obsidian
ukuran gandum
banget nggoleki-grained
ora ditrapake
rengat
ora kasedhiya
conchoidal
porosity
Highly keropos
banget kurang keropos
kekuatan compressive
ora Sumadhiya
kateguhan
1
ora kasedhiya
tartamtu gravitasi
2.3-2.4
2.6-2.7
Kapadhetan
2.49-2.50 g / cm 3
2.6 g / cm 3
resistance
tahan panas
tahan panas, impact tahan