About: http://webisa.webdatacommons.org/341144488

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	Mm n+Rr p+Al1???xExSiyOz where M is an alkali or alkaline earth metal ion, R can be a quaternary ammonium ion and E can be gallium, iron, boron, chromium, indium and mixtures thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk