About: http://webisa.webdatacommons.org/428245434

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	Electrum, for example, is a naturally occurring alloy of silver and gold that was popular with the ancient Egyptians.
http://www.w3.org/ns/prov#wasQuotedFrom	gemsociety.org