Properties of Batubara lan Greenschist
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
luster
kurang kanggo vitreous kanggo submetallic
mengilap
kateguhan
ora kasedhiya
1.5
tartamtu gravitasi
1.1-1.4
2.5-2.9
Kapadhetan
1100-1400 g / cm 3
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
impact tahan, meksa tahan, banyu tahan