Properties of Pantellerite lan Porphyry
ukuran gandum
grained nggoleki
grained nggoleki
rengat
sub-conchoidal
ora duwe aturan baku
porosity
kurang keropos
kurang keropos
cleavage
conchoidal
cacat
tartamtu gravitasi
ora Sumadhiya
2.5-4
transparan
tembus kanggo opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
2.5-2.52 g / cm 3
resistance
tahan panas
tahan panas, impact tahan