Properties of Batubara lan Batubara
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
kurang keropos
kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
kurang kanggo vitreous kanggo submetallic
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
1.1-1.4
1.1-1.4
Kapadhetan
1100-1400 g / cm 3
1100-1400 g / cm 3
resistance
tahan panas
tahan panas