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Why are the Early Gothic murals in St. Jacob’s Church in Ormož, Slovenia, almost entirely black?Križnar, Anabelle ; Kavkler, Katja, 1982- ; Dolenec, SabinaIn St. Jacob’s parish church in Ormož, Slovenia, mural paintings from around 1350–1370 are partially conserved in the northeastern corner of the main nave. They are almost completely black, ... indicating a large-scale pigment degradation. They were studied as a part of a larger research project aiming to identify materials applied and their possible degradation. First, they were studied in situ, and next, extracted samples of plaster, pigments, and colour layers were analysed by optical microscopy, Raman spectroscopy, FTIR spectroscopy, SEM-EDS, and XRD. Haematite, green earth, malachite, azurite, and tenorite were identified, showing that azurite and perhaps also malachite degraded to black tenorite, probably due to their fine grinding and their application directly on the fresh plaster. The plaster is made with small and large amounts of aggregate with mostly quartz with some impurities, which makes it fragile. The original appearance of these murals was of bright blue and green colours.Source: Spectroscopy journal. - ISSN 2813-446X (Vol. 2, issue 2, 2024, str. 37-52)Type of material - e-articlePublish date - 2024Language - englishCOBISS.SI-ID - 192444419
Author
Križnar, Anabelle |
Kavkler, Katja, 1982- |
Dolenec, Sabina
Topics
stensko slikarstvo |
srednjeveško slikarstvo |
gotika |
Slovenija |
cerkev sv. Jakoba Ormož |
pigmenti |
kemična sestava |
spreminjanje barv |
optična mikroskopija |
ramanska mikrospektroskopija |
mural painting |
medieval painting |
Gothic art |
St. Jacob's Church, Ormož |
Slovenia |
pigments |
chemical structure |
colour degradation |
optical microscopy |
Raman microspectroscopy |
FTIR |
XRD
Author | Križnar, Anabelle ; Kavkler, Katja, 1982- ; Dolenec, Sabina |
Title | Why are the Early Gothic murals in St. Jacob’s Church in Ormož, Slovenia, almost entirely black? |
Publication date | 2024-04-13 |
COBISS.SI-ID | 192444419 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
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TRANSFORMACIJE – IZ MATERIALNEGA V VIRTUALNO. Digitalni korpus stenskega slikarstva – nove razsežnosti raziskav srednjeveške umetnosti v Sloveniji | J6-2587-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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https://www.mdpi.com/2813-446X/2/2/3 |
https://dirros.openscience.si/IzpisGradiva.php?id=18718 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Križnar, Anabelle | 20328 |
Kavkler, Katja, 1982- | 31457 |
Dolenec, Sabina | 27655 |
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