Properties of Flint lan Lignite
ukuran gandum
banget nggoleki-grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
luster
vitreous
kurang kanggo vitreous kanggo submetallic
kekuatan compressive
ora Sumadhiya
kateguhan
1.5
ora kasedhiya
tartamtu gravitasi
2.5-2.8
1.1-1.4
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.7-2.71 g / cm 3
800-801 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas