Assertion: anthracite | /r/HasAspect | the highest carbon content
Facets:
value: compared to lignite
type: OTHER
value: depending on the anthracite grade
type: OTHER
Source sentences:
text: In addition, anthracite has the highest carbon content (over 80-90%, depending on the anthracite grade).
text: Because it is the most mature coal, anthracite has the highest carbon content compared to lignite, sub-bituminous coal and bituminous coal, the other three forms of coal.