Properties of Pantellerite lan Vogesite
ukuran gandum
grained nggoleki
nggoleki kanggo coarse grained
rengat
sub-conchoidal
conchoidal
porosity
kurang keropos
banget kurang keropos
luster
earthy
subvitreous kanggo kurang
cleavage
conchoidal
conchoidal
kateguhan
2
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.86-2.87
transparan
tembus kanggo opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
2.95-2.96 g / cm 3
resistance
tahan panas
tahan panas, impact tahan