Properties of Batubara lan Essexite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
luster
kurang kanggo vitreous kanggo submetallic
ora kasedhiya
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
1.6
tartamtu gravitasi
1.1-1.4
ora Sumadhiya
Kapadhetan
1100-1400 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
impact tahan, meksa tahan, nyandhang tahan