Properties of Lignite lan Felsite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
conchoidal
porosity
Highly 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
2.6-2.7
Kapadhetan
800-801 g / cm 3
2.6 g / cm 3
resistance
tahan panas
tahan panas, impact tahan