Properties of Obsidian lan Diorite
ukuran gandum
ora ditrapake
medium kanggo coarse grained
rengat
conchoidal
ora kasedhiya
porosity
banget kurang keropos
banget kurang keropos
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
2.1
tartamtu gravitasi
2.6-2.7
2.8-3
Kapadhetan
2.6 g / cm 3
2.8-3 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, meksa tahan, nyandhang tahan