<?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">smalt</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31437363</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:57:55</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">Dumont blue</dcterms:alternative> <dcterms:alternative xml:lang="en">Hungary blue</dcterms:alternative> <dcterms:alternative xml:lang="en">Saxon blue</dcterms:alternative> <dcterms:alternative xml:lang="en">azure blue</dcterms:alternative> <dcterms:alternative xml:lang="en">starch blue</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ A coarsely ground blue potassium glass containing small amounts of cobalt oxide, which provides the source of the blue color. It is used as a blue colorant in paints, glazes, glass, bluing paper, laundry blue, starch, textiles, and rubber. Although it was intended as a substitute in painting for natural ultramarine blue, which was very expensive, it was discovered that smalt blue discolors when placed in an oil-based medium. ]]></dc:description></metadata>