Properties of Anthracite lan Whiteschist
ukuran gandum
medium kanggo nggoleki coarse grained
nggoleki grained medium
rengat
conchoidal
conchoidal
porosity
kurang keropos
kurang keropos
luster
mengilap
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
sampurna
kateguhan
ora kasedhiya
1
tartamtu gravitasi
1.1-1.4
2.86
Kapadhetan
1.25-2.5 g / cm 3
2.8-2.9 g / cm 3
resistance
tahan panas, banyu tahan
tahan panas