Assertion: opal | /r/HasProperty | synthesized
Facets:
value: experimentally
type: DEGREE
value: a long long time ago
type: TEMPORAL
value: -beowulf
type: LOCATION
Source sentences:
text: Opals of all varieties have been synthesized experimentally and commercially.
text: Opals of all varieties have been synthesized experimentally and commercially.
text: Opal was first synthesized a long long time ago, pre-Beowulf.