About: http://webisa.webdatacommons.org/391722436

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	Rubies and sapphires are the toughest gems but even they can chip if hit sharply.
http://www.w3.org/ns/prov#wasQuotedFrom	fotolog.com