La microspectrometrie Raman des grenats X3Y2Z3O12: I. La serie calcique naturelle ouvarovite-grossulaire-andradite

Translated title of the contribution: Raman microspectrometry of garnets X3Y2Z3O12: I. the natural calcic series uvarovite-grossular-andradite

M. Pinet, D. C. Smith

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28 Scopus citations

Abstract

The Raman spectra of forty calcic garnets belonging to the two continuous solid-solution series uvarovite-grossular and grossular-andradite are compared and contrasted. An examination of the wavenumber position of the sixteen major bands identified reveals trends which are reasonably linear for the principal high and low frequency bands which are under the indirect control of the trivalent cations. On the other hand for certain medium frequency bands it seems that the ionic radii and/or the atomic masses of the trivalent cations act directly by creating specific bands which can be considered as "chemical markers' of Al3+, Fe3+ or Cr3+. -from Authors

Translated title of the contributionRaman microspectrometry of garnets X3Y2Z3O12: I. the natural calcic series uvarovite-grossular-andradite
Original languageFrench
Pages (from-to)21-40
Number of pages20
JournalSchweizerische Mineralogische und Petrographische Mitteilungen
Volume73
Issue number1
StatePublished - 1993
Externally publishedYes

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