About: http://webisa.webdatacommons.org/392627740

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	Although it is not dear how these abrasive grain were made, no elements other than Al and O were detected by Energy Dispersive X-ray Microanalysis.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com