About: http://webisa.webdatacommons.org/368604341

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	Its composition varies widely with Sodium, Calcium, Iron, Magnesium, Lithium, Aluminum, Boron and other elements.
http://www.w3.org/ns/prov#wasQuotedFrom	therockshed.com