About: http://webisa.webdatacommons.org/17278223

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	Bismuth is usually found as a byproduct of processing other metals and ores such as tin and copper but it must be refined several times before it is safe for human use.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com