Assertion: anthracite | /r/CapableOf | differ in usage
Facets:
value: from bituminous
type: OTHER
Source sentences:
text: Anthracite differs from bituminous in usage in that it has better heat quality and fewer disadvantageous by-products, but it has higher carbon content and is therefore harder to ignite and requires a grate to separate the ashes from the burning coal (Day, 371).