Assertion: anthracite | /r/HasProperty | metamorphic
Facets:
value: unlike other coal types
type: OTHER
Source sentences:
text: Other types of coals are considered as sedimentary rocks, whereas anthracite is metamorphic.
text: Anthracite, unlike other coal types which are sedimentary rocks, is a metamorphic rock.
text: It is considered a metamorphic rock.
text: Another important difference between anthracite and coal is that anthracite occurs as sedimentary rocks, whereas anthracite is metamorphic.