Properties of Anthracite lan Taconite
ukuran gandum
medium kanggo nggoleki coarse grained
gedhe lan coarse grained
rengat
conchoidal
ora rata, splintery utawa conchoidal
porosity
kurang keropos
Highly keropos
kateguhan
ora kasedhiya
1.5
tartamtu gravitasi
1.1-1.4
5-5.3
transparan
opaque
tembus kanggo opaque
Kapadhetan
1.25-2.5 g / cm 3
ora Sumadhiya
resistance
tahan panas, banyu tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan