Assertion: bluestone | /r/HasProperty | hard
Facets:
value: very
type: DEGREE
Source sentences:
text: Bluestone is very hard and therefore difficult to work, so it was predominantly used for warehouses, miscellaneous walls, and the foundations of buildings.
text: Bluestone is also hard wearing and provides an excellent solution for landscaping, pathways, geometric pavers.
text: Bluestone is hard quartzite that is greenish blue.
text: Bluestone is known as a kind of hard limestone derived from sedimentary stones.
text: Bluestone is hard, and difficult to carve, but immensely strong for building and foundations.