orpiment (pigment)
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skos:pref |
"orpiment (pigment)"@en
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| skos:broader | inorganic pigment |
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skos:exact |
aat:300013834 |
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skos:in |
<https:/ |
| skos:notation | "95974" |
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skos:scope |
"A soft, yellow mineral composed of arsenic trisulfide that occurs naturally in volcanic fumaroles, hydrothermal veins, hot springs, and as a decomposition product of realgar. It changes to a red crystalline form at 170 C. Orpiment was used from ancient times as a pigment in painting, in manuscript illumination, and polychrome sculpture, having good tinting strength, but not permanent and toxic. King's yellow is the synthetic counterpart."@en |
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prov:generated |
"2023-09-11T09:51:53+00:00"^^xsd:dateTime |