Assertion: calcite | /r/HasAspect | a hardness of 3
Facets:
value: on the mohs scale
type: OTHER
value: generally
type: DEGREE
Source sentences:
text: Calcite has a hardness of 3, while dolomite is slightly harder at 3 1/2 to 4.
text: Calcite has a hardness of three on the Mohs scale, and that makes it suitable as a low-hardness abrasive.
text: It generally has a hardness of 3.
text: Calcite has a hardness of three on the Mohs scale, and that makes it suitable as a low-hardness abrasive.