Properties of Pantellerite lan Essexite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
sub-conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
luster
earthy
ora kasedhiya
cleavage
conchoidal
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
ora Sumadhiya
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
ora Sumadhiya
resistance
tahan panas
impact tahan, meksa tahan, nyandhang tahan