About: http://webisa.webdatacommons.org/312441190

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	The oldest mines are in Sri Lanka but the blue sapphires are mostly from Australia and Thailand.
http://www.w3.org/ns/prov#wasQuotedFrom	jewelinfo4u.com