Properties of Siltstone lan Lignite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
luster
kurang
kurang kanggo vitreous kanggo submetallic
cleavage
ora kasedhiya
non-ana
kateguhan
2.6
ora kasedhiya
tartamtu gravitasi
2.54-2.73
1.1-1.4
Kapadhetan
2.6-2.7 g / cm 3
800-801 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, banyu tahan
tahan panas