Properties of Pantellerite lan Comendite
ukuran gandum
grained nggoleki
grained medium
rengat
sub-conchoidal
mrembet
tilas
dingerteni
bluish ireng
porosity
kurang keropos
Highly keropos
kekuatan compressive
ora Sumadhiya
cleavage
conchoidal
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.38
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan