Properties of Phonolite lan Siltstone
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal kanggo ora rata
conchoidal
porosity
kurang keropos
Highly keropos
luster
greasy kanggo kurang
kurang
kekuatan compressive
ora Sumadhiya
cleavage
miskin
ora kasedhiya
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
2.6
2.54-2.73
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6 g / cm 3
2.6-2.7 g / cm 3
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, banyu tahan