Properties of Pantellerite lan Nephelinite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
sub-conchoidal
flat
porosity
kurang keropos
kurang keropos
luster
earthy
vitreous kanggo metallic
kekuatan compressive
ora Sumadhiya
cleavage
conchoidal
cacat
tartamtu gravitasi
ora Sumadhiya
2.4-2.9
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
2.5-3 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas