Assertion: chrysoberyl | /r/CapableOf | occur with rutile
Facets:
value: in sillimanite-rich segregations
type: LOCATION
Source sentences:
text: The chrysoberyl occurs with rutile, sapphirine, surinamite, taafeite, and wagnerite in sillimanite-rich segregations in two pegmatites of probable late Archean age which cut granulite-facies rocks.