@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix mi: <https://taxonomy.materialinstruments.com/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://taxonomy.materialinstruments.com/id/material/cristobalite>
  a skos:Concept ;
  skos:inScheme <https://taxonomy.materialinstruments.com/id/axis/material> ;
  skos:prefLabel "Cristobalite"@en ;
  skos:definition "A tetragonal or cubic high-temperature crystalline polymorph of silicon dioxide, distinct from quartz."@en ;
  skos:broader <https://taxonomy.materialinstruments.com/id/material/silica> ;
  skos:exactMatch <https://taxonomy.materialinstruments.com/ns/cas/14464-46-1> ;
  skos:closeMatch <http://www.wikidata.org/entity/Q422075> ;
  skos:notation "14464-46-1"^^<https://taxonomy.materialinstruments.com/ns/cas> ;
  mi:searchedWithout [ dcterms:date "2026-10-21" ; mi:query "Cristobalite" ; mi:scheme "uniclass" ; mi:via "https://uniclass.thenbs.com/search?query=Cristobalite&filter=status%3ACurrent" ] ;
  mi:sourceBasis "referenced" ;
  dcterms:source "composition dictionary in a materials-retrieval system (src-05); CAS Registry" ;
  dcterms:date "2026-09-22" ;
  mi:status "active" .