{"id": "43", "type": "concept", "uri": "https://id.erfgoed.net/thesauri/materialen/43", "label": "kwartsiet", "labels": [{"label": "kwartsiet", "type": "prefLabel", "language": "nl-BE"}], "notes": [{"note": "Kwartsiet is een metamorf gesteente dat voornamelijk bestaat uit korrelige kwarts die met silica is gecementeerd tot een homogene massa met een zeer hoge trek- en pletvastheid.", "type": "scopeNote", "language": "nl-BE"}], "sources": [{"citation": "Art &amp; Architecture Thesaurus, <a href=\"http://www.getty.edu/research/tools/vocabularies/aat\">http://www.getty.edu/research/tools/vocabularies/aat</a>"}], "broader": [{"id": "89", "type": "concept", "uri": "https://id.erfgoed.net/thesauri/materialen/89", "label": "metamorf gesteente"}], "narrower": [{"id": "44", "type": "concept", "uri": "https://id.erfgoed.net/thesauri/materialen/44", "label": "kwartsiet van Tienen"}, {"id": "45", "type": "concept", "uri": "https://id.erfgoed.net/thesauri/materialen/45", "label": "kwartsiet van Wommersom"}], "related": [], "member_of": [], "subordinate_arrays": [], "matches": {"exact": ["http://vocab.getty.edu/aat/300011623"]}}