About: http://webisa.webdatacommons.org/210463480

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	Agate is a semiprecious stone formed deep under the earth when silica-laden groundwater passes through air pockets in cooling lava.
http://www.w3.org/ns/prov#wasQuotedFrom	uncommongoods.com