Properties of Lignite lan Quartzite
ukuran gandum
medium kanggo nggoleki coarse grained
grained medium
rengat
conchoidal
ora rata, splintery utawa conchoidal
porosity
Highly keropos
kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
vitreous
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
indiscernible
kateguhan
ora kasedhiya
1.9
tartamtu gravitasi
1.1-1.4
2.6-2.8
transparan
opaque
transparent kanggo Translucent
Kapadhetan
800-801 g / cm 3
2.32-2.42 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, meksa tahan, nyandhang tahan