About: http://webisa.webdatacommons.org/111341110

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	In the crust, it is found as the oxides of most metals and silicon, and also as carbonate, sulphate, nitrate and other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom	aglasem.com