Properties of Batubara lan Granulite
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo coarse grained
rengat
conchoidal
ora kasedhiya
porosity
kurang keropos
banget kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
vitreous
kekuatan compressive
ora Sumadhiya
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
1.1-1.4
2.8-3.0
Kapadhetan
1100-1400 g / cm 3
3.06-3.33 g / cm 3
resistance
tahan panas
tahan panas, nyandhang tahan