Properties of Lignite lan Gritstone
ukuran gandum
medium kanggo nggoleki coarse grained
coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
luster
kurang kanggo vitreous kanggo submetallic
kurang
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
sampurna
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
1.1-1.4
2.250
Kapadhetan
800-801 g / cm 3
2.2 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, meksa tahan