About: http://webisa.webdatacommons.org/283372454

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 wood is millions of years old and infused with minerals such as silica that turned to quartz over time.
http://www.w3.org/ns/prov#wasQuotedFrom	sfgate.com