Properties of Batubara lan Aplite
ukuran gandum
medium kanggo nggoleki coarse grained
banget nggoleki-grained
rengat
conchoidal
ora kasedhiya
porosity
kurang keropos
kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
kurang kanggo mutiyara kanggo subvitreous
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
1.1-1.4
2.6
Kapadhetan
1100-1400 g / cm 3
2.6 g / cm 3
resistance
tahan panas
tahan panas, nyandhang tahan