Properties of Pantellerite lan Phonolite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
sub-conchoidal
conchoidal kanggo ora rata
porosity
kurang keropos
kurang keropos
luster
earthy
greasy kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
conchoidal
miskin
kateguhan
2
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.6
transparan
tembus kanggo opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
2.6 g / cm 3
resistance
tahan panas
tahan panas, impact tahan, nyandhang tahan