@prefix kfp: <http://data.loterre.fr/ark:/67375/KFP> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix obo: <http://purl.obolibrary.org/obo/> .

kfp:-Z2D574JG-D
  skos:prefLabel "chalcedony"@en ;
  a skos:Concept ;
  skos:broader kfp:-QJLLD9SD-L .

kfp:-PP76PXNP-Z
  skos:prefLabel "diatomaceous earth"@en ;
  a skos:Concept ;
  skos:broader kfp:-QJLLD9SD-L .

kfp: a skos:ConceptScheme .
kfp:-RBSJ2X68-F
  skos:prefLabel "quartz"@en ;
  a skos:Concept ;
  skos:broader kfp:-QJLLD9SD-L .

kfp:-MDM4ZS8T-1
  skos:prefLabel "silicon dioxide nanoparticle"@en ;
  a skos:Concept ;
  skos:broader kfp:-QJLLD9SD-L .

kfp:-
  a isothes:ConceptGroup ;
  skos:prefLabel "3_STAR"@en ;
  skos:member kfp:-QJLLD9SD-L .

kfp:-KTPM7P6Z-C
  skos:prefLabel "vitreous silica"@en ;
  a skos:Concept ;
  skos:broader kfp:-QJLLD9SD-L .

kfp:-QJLLD9SD-L
  skos:narrower kfp:-Z2D574JG-D, kfp:-PP76PXNP-Z, kfp:-MDM4ZS8T-1, kfp:-RBSJ2X68-F, kfp:-KTPM7P6Z-C ;
  owl:sameAs obo:CHEBI_30563 ;
  skos:hiddenLabel "silicic anhydride"@en, "[SiO2]"@en, "SiO2"@en, "silica"@en, "Silica, amorphous"@en, "Siliziumdioxid"@en, "Kieselsaeureanhydrid"@en, "(SiO2)n"@en ;
  skos:inScheme kfp: ;
  skos:prefLabel "silicon dioxide"@en ;
  skos:altLabel "silicon(IV) oxide"@en ;
  a skos:Concept ;
  skos:broader kfp:-M47QPKKF-V .

kfp:-M47QPKKF-V
  skos:prefLabel "silicon oxide"@en ;
  a skos:Concept ;
  skos:narrower kfp:-QJLLD9SD-L .