Assertion: beryl | /r/AtLocation | high temperature cavities
Facets:
value: rarely
type: TEMPORAL
Source sentences:
text: Rarely does beryl occur in high temperature cavities (druses), where it precipitates from very hot beryllium-bearing solutions or gases.
text: Rarely does beryl occur in high temperature cavities (druses), where it precipitates from very hot beryllium-bearing solutions or gases.