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Elements; June 2009; v. 5; no. 3; p. 179-180; DOI: 10.2113/gselements.5.3.179
© 2009 Mineralogical Society of America
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Pearls and Corals: "Trendy Biomineralizations"

Jean-Pierre Gauthier1 and Stefanos Karampelas2

1 Centre de Recherche Gemmologique
2, rue de la Houssinière, BP 92208
44322 NANTES Cedex 3, France
E-mail: jpk.gauthier{at}gmail.com
2 Gübelin Gemmological Laboratory
Maihofstrasse 102, 6006, Lucerne, Switzerland
E-mail: s.karampelas{at}gubelingemlab.ch

Corals and pearls are "organic gems" produced by living beings. These esthetic "biomineralizations" are attractive for their color and the optical effects resulting from their structure.

KEYWORDS: coral, pearl, biomineralization, cultured pearls, endangered coral species




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E. Fritsch and B. Rondeau
Gemology: The Developing Science of Gems
Elements, June 1, 2009; 5(3): 147 - 152.
[Abstract] [Full Text] [PDF]


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