About: http://webisa.webdatacommons.org/221779922

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	You???re quite right, zinc is a mineral, and I should have picked that up before posting!
http://www.w3.org/ns/prov#wasQuotedFrom	free-from.com