Assertion: fire opal | /r/HasProperty | cut en cabochon
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Unlike most opal, fire opal occurs with good transparency and because of this, it is usually faceted rather than cut en cabochon.
text: On the other hand, brownish fire opal is usually cut en cabochon to enhance and maximize its desirable play of color effect.