About: http://webisa.webdatacommons.org/383269300

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 earliest recorded use of chalcedony was for projectile points, knives, weapons, tools and containers such as cups and bowls.
http://www.w3.org/ns/prov#wasQuotedFrom	evine.com