Properties of Taconite lan Obsidian
ukuran gandum
gedhe lan coarse grained
ora ditrapake
rengat
ora rata, splintery utawa conchoidal
conchoidal
porosity
Highly keropos
banget kurang keropos
kekuatan compressive
ora Sumadhiya
kateguhan
1.5
ora kasedhiya
tartamtu gravitasi
5-5.3
2.6-2.7
transparan
tembus kanggo opaque
tembus
Kapadhetan
ora Sumadhiya
2.6 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan