About: http://webisa.webdatacommons.org/22902269

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	The presence of rings show the sample is a powder rather than a single crystal.
http://www.w3.org/ns/prov#wasQuotedFrom	theconversation.com