Properties of Pantellerite lan Norite
ukuran gandum
grained nggoleki
coarse grained
rengat
sub-conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
luster
earthy
ora kasedhiya
kekuatan compressive
ora Sumadhiya
cleavage
conchoidal
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.86-2.87
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
2.7-3.3 g / cm 3
resistance
tahan panas
impact tahan, meksa tahan, nyandhang tahan