About: http://webisa.webdatacommons.org/113767553

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 value of amethyst has dropped ever since huge quantities were discovered in Brazil and other parts of the world.
http://www.w3.org/ns/prov#wasQuotedFrom	newworldencyclopedia.org