Assertion: apatite | /r/HasProperty | confused with tourmaline
Facets:
Source sentences:
text: Apatite has been confused with Beryl, Tourmaline and Quartz and to distinguish it from them a simple hardness test would suffice - all these are much harder at around 7 on the Mohs hardness scale.
text: Apatite has been confused with Beryl, Tourmaline and Quartz and to distinguish it from them a simple hardness test would suffice - all these are much harder at around 7 on the Mohs hardness scale.