Properties of Anthracite lan Litchfieldite
ukuran gandum
medium kanggo nggoleki coarse grained
coarse grained
rengat
conchoidal
conchoidal kanggo ora rata
porosity
kurang keropos
kurang keropos
luster
mengilap
greasy kanggo kurang
kekuatan compressive
ora Sumadhiya
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
1.1-1.4
2.6
transparan
opaque
tembus kanggo opaque
Kapadhetan
1.25-2.5 g / cm 3
2.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, banyu tahan
tahan panas, impact tahan, nyandhang tahan