Assertion: garnet | /r/HasProperty | its occurrence
Facets:
value: in metamorphic rock
type: LOCATION
value: from other gem types
type: OTHER
Source sentences:
text: Garnet in general can be distinguished from other gem types by its occurrence in metamorphic rock, its hardness (6.5 - 7.5 on the Mohs scale), color, refractive index and cubic crystal structure.