About: http://webisa.webdatacommons.org/131784311

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	This piece is an example of quite a few I have--where most of the dirt is gone, but there is some tough, hard material stuck in small pockets.
http://www.w3.org/ns/prov#wasQuotedFrom	mindat.org