About: http://webisa.webdatacommons.org/292012464

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	Unlike today's pigments which give consistent results, several of those available to Ancient Egyptian artists could react chemically with each other, for example lead white when mixed with orpiment (yellow) actually produces black.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com