About: http://webisa.webdatacommons.org/436901149

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 stone is a hard stone, although what type, again not too sure.
http://www.w3.org/ns/prov#wasQuotedFrom	collectorsweekly.com