About: http://webisa.webdatacommons.org/352150909

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	Nobody knew what the material was, with some hypothesizing at first that it could be coral or other substance made by marine plants or animals.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com