Properties of Metapelite lan Batubara
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
fibrous
conchoidal
porosity
Highly keropos
kurang keropos
luster
earthy
kurang kanggo vitreous kanggo submetallic
cleavage
ora kasedhiya
non-ana
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
3.4-3.7
1.1-1.4
Kapadhetan
0-300 g / cm 3
1100-1400 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas