<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">orpiment</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31437794</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:58:01</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">arsenblende</dcterms:alternative> <dcterms:alternative xml:lang="en">arsenikon</dcterms:alternative> <dcterms:alternative xml:lang="en">auripigmento</dcterms:alternative> <dcterms:alternative xml:lang="en">auripigmentum</dcterms:alternative> <dcterms:alternative xml:lang="en">orpigment</dcterms:alternative> <dcterms:alternative xml:lang="en">sunflower yellow</dcterms:alternative> <dcterms:alternative xml:lang="en">yellow orpiment</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ A soft, yellow mineral composed of arsenic trisulfide that occurs naturally in volcanic fumaroles, hydrothermal veins, hot springs, and as a decomposition product of realgar. It changes to a red crystalline form at 170 C. Orpiment was used from ancient times as a pigment in painting, in manuscript illumination, and polychrome sculpture, having good tinting strength, but not permanent and toxic. King's yellow is the synthetic counterpart. ]]></dc:description></metadata>