Properties of Pantellerite lan Trondhjemite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
sub-conchoidal
conchoidal
tilas
dingerteni
bluish ireng
porosity
kurang keropos
banget kurang keropos
luster
earthy
subvitreous kanggo kurang
cleavage
conchoidal
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.86-3
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
2.73 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, meksa tahan, nyandhang tahan