PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, as I looked closer, I saw a tiny gap between one edge of the crystal and the matrix.There was a larger crystal of a secondary mineral on the back of the piece, but nothing looked out of place with it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mindat.org