Assertion: chrysoberyl | /r/AtLocation | crystalline mica schists
Facets:
value: principally
type: OTHER
value: as placer grains in the sands
type: LOCATION
Source sentences:
text: Chrysoberyl is found principally in granitic rocks and crystalline mica schists and as placer grains in the sands which are produced by the erosion of these rocks.