Assertion: pure graphite | /r/CapableOf | form as vein
Facets:
value: in metamorphic rocks
type: LOCATION
Source sentences:
text: It forms as veins and disseminations in metamorphic rocks as the result of the metamorphism of organic material included in limestone deposits.
text: It forms as veins and disseminations in metamorphic rocks as the result of the metamorphism of organic material included in limestone deposits.