Assertion: zircon's form | /r/HasProperty | created
Facets:
value: by humans
type: OTHER
Source sentences:
text: Because the natural form of cubic zirconia is so rare, all cubic zirconia used in jewelry has been synthesized, or created by humans.
text: Because the natural form of cubic zirconia is so rare, all cubic zirconia used in jewelry has been synthesized, or created by humans.