Properties of Lignite lan Theralite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
ora rata, splintery utawa conchoidal
porosity
Highly keropos
Highly keropos
luster
kurang kanggo vitreous kanggo submetallic
waxy lan kurang
kateguhan
ora kasedhiya
1.5
tartamtu gravitasi
1.1-1.4
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
800-801 g / cm 3
2.7 g / cm 3
resistance
tahan panas
impact tahan, meksa tahan, nyandhang tahan