About: http://webisa.webdatacommons.org/70910707

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Opal can be opaque to nearly transparent (crystal opal), almost any color, including white and black, and sometimes displays rainbow colors (fire)in myriad patterns (precious opal).
http://www.w3.org/ns/prov#wasQuotedFrom	artfire.com