Assertion: anthracite | /r/CapableOf | show some alteration
Facets:
value: structurally
type: MANNER
Source sentences:
text: Structurally, anthracite shows some alteration by the development of secondary divisional planes and fissures so that the original stratification lines are not always easily seen.
text: Structurally, anthracite coal displays some alteration by the development of secondary divisional planes and fissures so that the original stratification lines are not always easily seen.