About: http://webisa.webdatacommons.org/157612018

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	Careful heating of minerals could intensify the color, as names such as burnt sienna and burnt umber suggest.
http://www.w3.org/ns/prov#wasQuotedFrom	gutenberg-e.org