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Fritsch, E., Karampelas, S. & Mevellec, J.-Y. (2017) Raman spectra of gem-quality variscite and metavariscite. J. Raman Spectrosc. 48 1554–1558. 
Added by: Richard Baschera (2019-12-05 13:27:59)   Last edited by: Richard Baschera (2019-12-05 13:28:47)
Type de référence: Article
DOI: 10.1002/jrs.5117
Numéro d'identification (ISBN etc.): 0377-0486
Clé BibTeX: Fritsch2017b
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Catégories: IMN, INTERNATIONAL, MIOPS
Mots-clés: gem, metavariscite, phosphate, spectroscopy, variscite
Créateurs: Fritsch, Karampelas, Mevellec
Collection: J. Raman Spectrosc.
Consultations : 11/245
Indice de consultation : 3%
Indice de popularité : 0.75%
Résumé     
Raman spectra were obtained on a set of five gems presented as massive variscite, from the three major sources of this gem-quality material. In parallel, micro-FTIR in reflectance and chemical analysis were performed on the same samples, to further characterize them. Surprisingly, four out of five samples are found to be metavariscite, which has been documented in gem quality only once before. Results of micro-FTIR in reflectance confirmed this result. Copyright (c) 2017 John Wiley & Sons, Ltd.
  
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