@prefix agrovoc: <http://aims.fao.org/aos/agrovoc/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ns0: <http://art.uniroma2.it/ontologies/vocbench#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

agrovoc:xDef_cfdcfb17
  rdf:value "A smectite is a mineral mixture of various swelling sheet silicates (phyllosilicates), which have a three-layer 2:1 structure and belong to the clay minerals. Smectites mainly consist of montmorillonite, but can often contain secondary minerals such as quartz and calcite."@en ;
  ns0:hasSource "Wikipedia. 2025. Smectite https://en.wikipedia.org/wiki/Smectite" ;
  dc:created "2025-07-18T10:44:58"^^xsd:dateTime .

agrovoc:c_16666 skos:definition agrovoc:xDef_cfdcfb17 .