Brightly Colored to Stay in the Dark. Revealing of the Polychromy of the Lot Sarcophagus in the Catacomb of San Sebastiano in Rome
Abstract
:1. Introduction
2. The Lot Sarcophagus
3. Materials and Methods
3.1. In-Situ Instrumentation
3.2. Laboratory Instrumentation
4. Results
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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1 | The restoration was conducted by Serena Di Gaetano, a private restorer whom we thank for the delicate and punctual work done. |
2 | […] Purtroppo, come suole avvenire, questa (la policromia) svanì presto in gran parte al contatto con la luce e l’aria mossa e asciutta, volatilizzandosi dalla superficie estremamente pulita e lucida dei marmi, e restandone solo traccia nei solchi delle pieghe […]. […] Unfortunately, as usual, this (the polychromy) soon vanished largely on contact with the light and the moved and dry air, evaporating from the extremely clean and shiny surface of the marbles, and remaining only traces in the furrows of the folds […]. |
Technique | Number of Acquisitions | |
---|---|---|
Multi band imaging | Vis | 63 photos |
UVL | 30 photos | |
VIL | 33 photos | |
Digital optical microscopy | 53 photos | |
FORS UV-Vis | 40 spectra | |
XRF | 31 spectra |
Number of Samples | Colour | Analytical Technique(s) | Results | |
---|---|---|---|---|
Biological identification | 2 | blue | cultivation | Phormidium sp. coccoid cyanobacteria |
Deposits identification | 3 | white-brownish | FT-IR ATR | Calcite Silicates |
Stratigraphy (cross sections) | 3 | yellow | SEM-EDS FT-IR ATR | Single layer–no preparatory layer Yellow ochre |
red | Layer 1-red cinnabar, red ochre, lead white, red lake Layer 2-white preparatory layer lead white | |||
purple | Single layer–no preparatory layer umber, cinnabar, and Egyptian blue |
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Bracci, S.; Magrini, D.; Manganelli del Fà, R.; Cuzman, O.A.; Mazzei, B. Brightly Colored to Stay in the Dark. Revealing of the Polychromy of the Lot Sarcophagus in the Catacomb of San Sebastiano in Rome. Heritage 2020, 3, 858-874. https://doi.org/10.3390/heritage3030047
Bracci S, Magrini D, Manganelli del Fà R, Cuzman OA, Mazzei B. Brightly Colored to Stay in the Dark. Revealing of the Polychromy of the Lot Sarcophagus in the Catacomb of San Sebastiano in Rome. Heritage. 2020; 3(3):858-874. https://doi.org/10.3390/heritage3030047
Chicago/Turabian StyleBracci, Susanna, Donata Magrini, Rachele Manganelli del Fà, Oana Adriana Cuzman, and Barbara Mazzei. 2020. "Brightly Colored to Stay in the Dark. Revealing of the Polychromy of the Lot Sarcophagus in the Catacomb of San Sebastiano in Rome" Heritage 3, no. 3: 858-874. https://doi.org/10.3390/heritage3030047