About: http://webisa.webdatacommons.org/318834268

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	Furthermore, secondary phases such as quartz, cristobalite or berlinite may also occur.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de