Optical and Structural properties of Gemmological materials used in works of Art and Handicraft (Articolo in rivista)

Type
Label
  • Optical and Structural properties of Gemmological materials used in works of Art and Handicraft (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Sodo A. 1, Nardone M. 1, Ajò D. 2, Pozza G. 2, Bicchieri M. 3 (2003)
    Optical and Structural properties of Gemmological materials used in works of Art and Handicraft
    (literal)
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  • Sodo A. 1, Nardone M. 1, Ajò D. 2, Pozza G. 2, Bicchieri M. 3 (literal)
Pagina inizio
  • 317 (literal)
Pagina fine
  • 320 (literal)
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  • Spl 1 (literal)
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  • 1. Dipartimento di Fisica, Università di Roma Tre & Unità di Ricerca INFM 2. ICIS, CNR, Padova, 3. Laboratorio di Chimica, Istituto Centrale per la Patologia del Libro, Rome (literal)
Titolo
  • Optical and Structural properties of Gemmological materials used in works of Art and Handicraft (literal)
Abstract
  • Disorder phenomena related to formation conditions of natural and synthetic spinels, both stoichiometric (MgO·Al2O3) and those exhibiting different Al/Mg ratios, are investigated by photoluminescence spectroscopy. The same approach appears to be less adequate when dealing with more complex materials, such as beryls (3BeO·Al2O3·6SiO2). On the other hand, Raman spectroscopy allows easy identification of different varieties of beryls and of their inclusions, together with that of widely used imitations. The above techniques are totally non-destructive and do not require any treatment of the samples. The apparatus developed at our laboratories allows investigation of irregularly shaped samples within a large range of sizes. (literal)
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