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