Properties of Anthracite lan Claystone
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
ora kasedhiya
porosity
kurang keropos
banget kurang keropos
cleavage
non-ana
sampurna
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
1.1-1.4
0
Kapadhetan
1.25-2.5 g / cm 3
2-2.9 g / cm 3
resistance
tahan panas, banyu tahan
tahan panas, impact tahan