Properties of Pantellerite lan Mangerite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
sub-conchoidal
ora kasedhiya
porosity
kurang keropos
kurang keropos
luster
earthy
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
conchoidal
ora kasedhiya
kateguhan
2
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.8-3
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
2.9-2.91 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan, meksa tahan