Properties of Essexite lan Phonolite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
conchoidal kanggo ora rata
porosity
Highly keropos
kurang keropos
luster
ora kasedhiya
greasy kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
miskin
kateguhan
1.6
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.6
transparan
opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
2.6 g / cm 3
resistance
impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, nyandhang tahan