<skos:prefLabel xml:lang="en">calcium oxalate</skos:prefLabel>
<skos:altLabel xml:lang="en">calcium oxalates</skos:altLabel>
<skos:altLabel xml:lang="en">weddelite</skos:altLabel>
<skos:altLabel xml:lang="en">whewellite</skos:altLabel>
<skos:altLabel xml:lang="en">oxalate, calcium</skos:altLabel>
- <skos:broader rdf:resource="http://museovirtualfelixcanada.digibis.com//concepts/49322" />
<skos:note xml:lang="en">Powdered form of the minerals weddelite and whewellite used in ceramic glazes. A salt of oxalic acid, calcium oxalate can form naturally on calcareous stones as a reaction to oxalic acid excretions of mosses and lichens. In a conservation context, calcium oxalate is generally considered in its role as a form of bioterioration but its cultivation as a protective film for limestone surfaces has been investigated as well.</skos:note>
<skos:notation>300379564</skos:notation>
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