Properties of Siltstone lan Pantellerite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
sub-conchoidal
porosity
Highly keropos
kurang keropos
cleavage
ora kasedhiya
conchoidal
tartamtu gravitasi
2.54-2.73
ora Sumadhiya
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.6-2.7 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, banyu tahan
tahan panas