Assertion: mystic topaz | /r/HasProperty | its hardness
Facets:
value: from quartz
type: OTHER
Source sentences:
text: Mystic topaz can be distinguished from quartz by its hardness (8 on the Mohs scale) and perfect cleavage.
text: Mystic topaz can be distinguished from quartz by its hardness (8 on the Mohs scale) and perfect cleavage.