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<http://webisa.webdatacommons.org/prov/215377886>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/73697079> .
<http://webisa.webdatacommons.org/prov/516245620>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/73697079> .
<http://webisa.webdatacommons.org/73697079>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/73697079>	<http://www.w3.org/ns/prov#value>	"Spinel-type crystals have a general chemical formula of AB2 O4, where O is an oxygen atom and A and B are metal atoms." .
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