<http://webisa.webdatacommons.org/prov/296777633>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/188647632> .
<http://webisa.webdatacommons.org/188647632>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<issuu.com> .
<http://webisa.webdatacommons.org/188647632>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/188647632>	<http://www.w3.org/ns/prov#value>	"Conduct tests to determine a mineral's chemical and physical properties, such as color, luster, streak color, hardness, density, magnetism, and carbon, sulfur, or iron content." .