Assertion: precious opal | /r/CapableOf | call rainbow opal
Facets:
Source sentences:
text: Of the three basic types of Opals, “Precious Opal,” also called “Rainbow Opal,” is the rarest, mined in a limited number of locations worldwide and produces brilliant flashes or streaks of iridescent color when turned in the light, a phenomenon known as “play of color.
text: Of the three basic types of Opals, “Precious Opal,” also called “Rainbow Opal,” is the rarest, mined in a limited number of locations worldwide and produces brilliant flashes or streaks of iridescent color when turned in the light, a phenomenon known as “play of color.