Properties of Phonolite lan Scoria
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal kanggo ora rata
conchoidal
porosity
kurang keropos
Highly keropos
luster
greasy kanggo kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
kateguhan
ora kasedhiya
2.1
tartamtu gravitasi
2.6
ora Sumadhiya
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan