<http://webisa.webdatacommons.org/352150909>	<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://webisa.webdatacommons.org/prov/339185132>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/352150909> .
<http://webisa.webdatacommons.org/352150909>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sciencedaily.com> .
<http://webisa.webdatacommons.org/352150909>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .