Assertion: opal | /r/HasProperty | faceted
Facets:
value: often
type: DEGREE
Source sentences:
text: However Opal without a play of color (such as cherry red or amber Opal from Mexico) is often faceted and can look a lot like ruby.
text: Furthermore, the Opals were facetted.
text: Opals that are transparent can be faceted; some faceted opals have play of color, others do not.