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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… Click to show full abstract
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 © 2017 John Wiley & Sons, Ltd.
Keywords:
gem quality;
spectra gem;
raman;
raman spectra
Journal Title: Journal of Raman Spectroscopy
Year Published: 2017
Link to full text (if available)
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Journal Title: Journal of Raman Spectroscopy
Year Published: 2017
Link to full text (if available)
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recommendations!