Properties of Batubara lan Suevite
ukuran gandum
medium kanggo nggoleki coarse grained
coarse grained
rengat
conchoidal
ora rata
tilas
ireng
cahya kanggo coklat peteng
porosity
kurang keropos
kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
earthy
cleavage
non-ana
ora duwe aturan baku
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
1.1-1.4
2.86
Kapadhetan
1100-1400 g / cm 3
2.8-2.9 g / cm 3
resistance
tahan panas
tahan panas