Properties of Essexite lan Gneiss
ukuran gandum
grained nggoleki
medium kanggo coarse grained
rengat
conchoidal
ora duwe aturan baku
porosity
Highly keropos
banget kurang keropos
luster
ora kasedhiya
kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
miskin
tartamtu gravitasi
ora Sumadhiya
2.5-2.7
transparan
opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
2.6-2.9 g / cm 3
resistance
impact tahan, meksa tahan, nyandhang tahan
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan