anthracite primary subject, 13 assertions
Subgroups 0
Aspects 1
carbon content 2
CapableOf 3
ignite with difficulty 0.58
burn with short, blue, … 0.48
represent low-grade met… 0.25
HasA 2
the highest carbon cont… 0.35
the fewest impurities 0.16
HasProperty 3
hard 0.44
black 0.44
lustrous 0.24
IsA 1
hard, compact variety o… 0.68
ReceivesAction 4
used in water purificat… 0.35
mined in only a few cou… 0.33
mined 0.25
burnt 0.25