Properties of Pantellerite lan Icelandite
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
sub-conchoidal
ora rata
porosity
kurang keropos
kurang keropos
cleavage
conchoidal
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.5-2.8
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
2.11-2.36 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan