Assertion: calcite | /r/HasProperty | popular stone
Facets:
value: very
type: DEGREE
value: for centuries
type: TEMPORAL
Source sentences:
text: Calcite has been a popular stone for centuries especially when it’s transformed into other minerals like marble.
text: The Calcite (calcite, calcite) is a very popular healing stone, which is also known in the German vernacular as Beinbruchstein.