Istituto di Geoscienze e Georisorse     
Aurisicchio C., Corami A., Ehrman S., Graziani G., Nunziante Cesaro S. Emerald and gold necklace from Oplontis, Vesuvian Area, Naples, Italy. In: Journal of Archaeological Research, vol. 33 (5) pp. 725 - 734. Elsevier, 2006.
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.
URL: http://scienceserver.cilea.it/cgi-bin/sciserv.pl?collection=journals&journal=03054403
Subject archaeological jewels
esmerald beryl
infrared spectroscopy
vesuvian area

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