About: http://webisa.webdatacommons.org/429902431

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	Prior to that, gems were principally cut as cabochons, a smooth domed shape with a flat base.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com