About: http://webisa.webdatacommons.org/251361302

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	Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks and can be common in certain metamorphic rocks.
http://www.w3.org/ns/prov#wasQuotedFrom	craftfoundry.com