Luminescence imaging and spectroscopy have become essential in gem testing, as most gem minerals and materials exhibit specific luminescence when properly excited. With a range of techniques introduced in gem testing laboratories in the past quarter century, such as luminescence imaging and photoluminescence (PL) emission and excitation spectroscopies, there are many applications to gem materials for establishing their identity, separating natural from synthetic gems, and detecting potential treatments. Further, these techniques often give clues towards the identity of emitting defects. Luminescence-based testing has recently gained attention even outside the gemmological laboratory as many simple luminescence-based instruments are offered to the gem and jewellery trade to separate natural from synthetic diamonds or from their imitations.
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Research Article|
October 01, 2024
Analysing the Luminescence of Gems
Thomas Hainschwang;
GGTL Laboratories Liechtenstein, LI-9496 Balzers, Liechtenstein
E-mail: [email protected]
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Emmanuel Fritsch;
Institut des Matériaux Jean Rouxel, CNRS 6502 and Nantes Université, F-44322 Nantes Cedex 3, France
E-mail: [email protected]
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Eloïse Gaillou;
Mines Paris – PSL, PSL University, Musée de Minéralogie, 75272 Paris Cedex 06, France
E-mail: [email protected]
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Andy Shen
Gemmological Institute, China University of Geosciences, Wuhan 430074, PR China
E-mail: [email protected]
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Institut des Matériaux Jean Rouxel, CNRS 6502 and Nantes Université, F-44322 Nantes Cedex 3, France
Mines Paris – PSL, PSL University, Musée de Minéralogie, 75272 Paris Cedex 06, France
E-mail: [email protected]
E-mail: [email protected]
E-mail: [email protected]
E-mail: [email protected]
Publisher: Mineralogical Society of America
First Online:
03 Oct 2024
Online ISSN: 1811-5217
Print ISSN: 1811-5209
Copyright © 2024 by the Mineralogical Society of America
Mineralogical Society of America
Elements (2024) 20 (5): 312–317.
Article history
First Online:
03 Oct 2024
Citation
Thomas Hainschwang, Emmanuel Fritsch, Eloïse Gaillou, Andy Shen; Analysing the Luminescence of Gems. Elements 2024;; 20 (5): 312–317. doi: https://doi.org/10.2138/gselements.20.5.312
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