The emerald and gold necklace from Oplontis,Vesuvian Area,Naples, Italy |
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| Authors: | Carlo Aurisicchio Alessia Corami Sylvana Ehrman Giorgio Graziani Stella Nunziante Cesaro |
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| Affiliation: | 1. Istituto di Geoscienze e Georisorse, Consiglio Nazionale delle Ricerche (IGG-CNR Sezione di Roma), c/o Dipartimento Scienze delle Terra (DST), Università di Roma “La Sapienza”, p.le A. Moro 5, 00185 Roma, Italy;2. Dipartimento di Scienze della Terra (DST), Università di Roma “La Sapienza”, p.le A. Moro 5, 00185 Roma, Italy;3. Scientific Methodologies Applied To Cultural Heritage (SMATCH), Largo U. Bartolomei 5, 00136 Roma, Italy;4. Istituto per lo Studio dei materiali nanostrutturati (ISMN-CNR), c/o DC, Università di Roma “La Sapienza”, p.le A. Moro 5, 00185 Roma, Italy |
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| Abstract: | The present study refers to the characterization of an emerald and gold necklace, dating from the first century AD, found in Oplontis (Torre Annunziata, Naples, Italy), using non-destructive methodologies such as EPMA and microFTIR. Reference samples, from mines known to be active in the Roman Imperial period, were collected and analyzed using the same techniques. Experimental data were also statistically treated in order to classify the emeralds' mines. The comparison of archaeological and reference data allowed to hypothesize, with high probability, an Egyptian origin for the Oplontis emeralds – even if the Habachtal mine cannot be definitively excluded. |
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| Keywords: | Archaeological jewels Emerald Beryl Gemmology Microanalysis Infrared spectroscopy Oplontis |
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