Properties of Siltstone lan Migmatite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
Highly keropos
banget kurang keropos
luster
kurang
kurang kanggo mutiyara kanggo subvitreous
cleavage
ora kasedhiya
miskin
tartamtu gravitasi
2.54-2.73
2.65-2.75
Kapadhetan
2.6-2.7 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, banyu tahan
tahan panas, meksa tahan