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Namespace Prefixes

PrefixIRI
dcthttp://purl.org/dc/terms/
n2http://vocab.getty.edu/aat/
dchttp://purl.org/dc/elements/1.1/
skoshttp://www.w3.org/2004/02/skos/core#
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
xsdhhttp://www.w3.org/2001/XMLSchema#

Statements

Subject Item
n2:300387229
rdf:type
skos:Concept
dct:created
2013-08-07T13:10:27
dct:modified
2013-11-22T15:20:05
skos:broader
n2:300013706
skos:prefLabel
purple of Cassius
dc:identifier
300387229
skos:inScheme
n2:
skos:altLabel
gold tin precipitate gold tin purple Cassius, purple of
skos:scopeNote
Permanent purple pigment historically used to make ruby glass and to create vitreous ceramic glazes used in painting, porcelain, and coloring enamels. It is synthesized by precipitating fine gold particles onto tin oxide particles. Adding potassium carbonate to the solution deepens the purple hue. The pigment is named for Andreas Cassius who first made it in 1676. It was largely replaced in the 19th century by the less costly equivalent cobalt violet.