Assertion: anthracite | /r/HasProperty | lustrous
Facets:
value: compared to the more common bituminous
type: OTHER
Source sentences:
text: Anthracite is known as “hard coal” because compared to the more common bituminous or “soft coal,” anthracite is stonelike and lustrous.
text: Often referred to as hard coal, anthracite is hard, black and lustrous.