Assertion: chrysoberyl | /r/HasAspect | a hardness of 8.5
Facets:
value: on the moh's scale
type: OTHER
Source sentences:
text: Chrysoberyl and alexandrite both have a hardness of 8.5 on the Moh's scale, so are only just softer than sapphires, and because of this, weathered crystals are often found in deposits in streams and gravel beds.