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European Journal of Mineralogy; July, August 2002; v. 14; no. 4; p. 749-756; DOI: 10.1127/0935-1221/2002/0014-0749
© 2002 E. Schweizerbart'sche Verlagsbuchhandlung Science Publishers
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Articles

Fe and Mn K-edge XANES study of ancient Roman glasses

Simona QUARTIERI1,*, Maurizio TRISCARI1, Giuseppe SABATINO1, Federico BOSCHERINI2 and Alessandra SANI3

1 Dipartimento di Scienze della Terra, Università di Messina, Salita Sperone 31, I–98166 S. Agata di Messina, Italy
2 Istituto Nazionale per la Fisica della Materia and Dipartimento di Fisica, Università di Bologna, viale Berti Pichat 6/2, I–40127 Bologna, Italy
3 European Synchrotron Radiation Facility, BP 220, F-38043 Grenoble, France

* Corresponding author, e-mail: simonaq{at}unimo.it

The X-ray Absorption Near Edge Structure technique has been successfully applied to the study of ancient glasses from Patti Roman Villa (Messina, Sicily). From the chemical point of view, the samples are ’low-magnesia’ glasses, with a composition typical of the Roman period. Fluorescence detected Fe and Mn K-edge XANES spectra and a detailed pre-edge analysis confirm that the color of the glass fragments depends on the oxidation state of iron and suggest the deliberate addition of manganese oxide as decolorant during the melting procedure. This work shows that X-ray Absorption Spectroscopy is a potentially very useful nondestructive technique that can be applied in archaeological studies on many different materials.

Key-words: XANES, archaeological glasses, iron, manganese.




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Archaeometric analyses of game counters from Pompeii
Geological Society, London, Special Publications, January 1, 2006; 257(1): 175 - 186.
[Abstract] [PDF]


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