<?xml version="1.0" encoding="utf-8"?><rdf:RDF  xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"  xmlns:skos="http://www.w3.org/2004/02/skos/core#"  xmlns:map="http://www.w3c.rl.ac.uk/2003/11/21-skos-mapping#"  xmlns:dct="http://purl.org/dc/terms/"  xmlns:dc="http://purl.org/dc/elements/1.1/"><skos:ConceptScheme rdf:about="http://AATesaurus.cultura.gencat.cat/aat/getty_en">  <dc:title>Tesaurus d&apos;Art i Arquitectura</dc:title>  <dc:creator>Getty Institute</dc:creator>  <dc:contributor></dc:contributor>  <dc:publisher></dc:publisher>  <dc:rights></dc:rights>  <dc:subject></dc:subject>  <dc:description><![CDATA[  ]]></dc:description>  <dc:date>0000-00-00</dc:date>  <dct:modified>2024-01-24 15:40:44</dct:modified>  <dc:language>en</dc:language>  </skos:ConceptScheme>  <skos:Concept rdf:about="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31344676"><skos:prefLabel xml:lang="en">weddellite</skos:prefLabel><skos:notation>300386649</skos:notation><skos:altLabel xml:lang="en">weddelite</skos:altLabel> <skos:scopeNote xml:lang="en">A mineral consisting of calcium oxalate dihydrate found as tiny white, glassy crystals. Originally found in mud at the bottom of the Weddell sea, Antarctica, which gave the mineral its name. Weddellite, and whewellite form on the surface of carbonaceous minerals in the presence of microbiological organisms such as lichens.</skos:scopeNote><skos:inScheme rdf:resource="http://AATesaurus.cultura.gencat.cat/aat/getty_en"/><skos:related rdf:resource="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31344593"/><skos:broader rdf:resource="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31320469"/><skos:exactMatch> <skos:Concept rdf:about="http://AATesaurus.cultura.gencat.cat/aat/getty_es/index.php?tema=14072383"> <skos:prefLabel xml:lang="es">weddellite (traducció pendent)</skos:prefLabel> </skos:Concept></skos:exactMatch><skos:exactMatch> <skos:Concept rdf:about="http://AATesaurus.cultura.gencat.cat/aat/getty_ca/index.php?tema=9838438"> <skos:prefLabel xml:lang="ca">weddellite (traducció pendent)</skos:prefLabel> </skos:Concept></skos:exactMatch>  <dct:created>2026-03-30 20:32:57</dct:created>  </skos:Concept></rdf:RDF>