Assertion: topaz | /r/HasAspect | a hardness of 8
Facets:
Source sentences:
text: It is softer than topaz and measures 7 on the Mohs scale of hardness, whereas topaz has a hardness of 8.
text: For this reason, topaz is quite fragile, even though it has a hardness of 8, and is often found in sections, rather than whole crystals.
text: It is softer than topaz and measures 7 on the Mohs scale of hardness, whereas topaz has a hardness of 8.