Assertion: oregon opal | /r/HasProperty | unique variety of transparent
Facets:
Source sentences:
text: Oregon Opal - a unique variety of transparent to translucent Opal found only in Opal Butte, Oregon that is surprisingly clear and flashes dusky blue-violet or yellow-orange opalescence when faceted
text: Oregon Opal - a unique variety of transparent to translucent Opal found only in Opal Butte, Oregon that is surprisingly clear and flashes dusky blue-violet or yellow-orange opalescence when faceted