Properties of Essexite lan Anthracite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
kurang keropos
luster
ora kasedhiya
mengilap
cleavage
ora kasedhiya
non-ana
kateguhan
1.6
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
1.1-1.4
Kapadhetan
ora Sumadhiya
1.25-2.5 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
impact tahan, meksa tahan, nyandhang tahan
tahan panas, banyu tahan