Properties of Batubara lan Enderbite
ukuran gandum
medium kanggo nggoleki coarse grained
coarse grained
porosity
kurang keropos
banget kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
-
tartamtu gravitasi
1.1-1.4
-9999
Kapadhetan
1100-1400 g / cm 3
2.6 g / cm 3
resistance
tahan panas
tahan panas, nyandhang tahan