Properties of Siltstone lan Websterite
ukuran gandum
grained nggoleki
coarse grained
rengat
conchoidal
ora rata
tilas
putih
putih, greenish putih utawa abu-abu
porosity
Highly keropos
kurang keropos
luster
kurang
kurang kanggo vitreous kanggo submetallic
cleavage
ora kasedhiya
ora duwe aturan baku
kateguhan
2.6
ora kasedhiya
tartamtu gravitasi
2.54-2.73
3.2-3.5
Kapadhetan
2.6-2.7 g / cm 3
3.1-3.6 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, banyu tahan
impact tahan, meksa tahan, nyandhang tahan