About: http://webisa.webdatacommons.org/16769261

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	Unlike gemstones or other precious metals which are derived from mines, pearls are produced by shelled mollusks, like oysters and clams.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com