About: http://webisa.webdatacommons.org/301653273

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	Each show a profile of the stones along with a key that indicates the structure, hardness, specific gravity, and other identifying points.
http://www.w3.org/ns/prov#wasQuotedFrom	bellaonline.com