Assertion: moonstone | /r/CapableOf | fall on the mohs scale of hardness
Facets:
value: between 6.5
type: OTHER
value: between 6
type: OTHER
Source sentences:
text: Moonstone and its close relatives fall between 6 and 6.5 on the Mohs scale of hardness, which makes it a relatively soft stone (a fact that enables it to be carved as well as faceted).