Articles | Volume 34, issue 6
https://doi.org/10.5194/ejm-34-573-2022
https://doi.org/10.5194/ejm-34-573-2022
Research article
 | 
09 Dec 2022
Research article |  | 09 Dec 2022

Non-destructive determination of the biotite crystal chemistry using Raman spectroscopy: how far we can go?

Stylianos Aspiotis, Jochen Schlüter, Günther J. Redhammer, and Boriana Mihailova

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Cited articles

Bendel, V. and Schmidt, B. C.: Raman spectroscopic characterisation of disordered alkali feldspars along the join KAlSi3O8-NaAlSi3O8: application to natural sanidine and anorthoclase, Eur. J. Mineral., 20, 1055–1065, https://doi.org/10.1127/0935-1221/2009/0021-1856, 2008. 
Bersani, D. and Lottici, P. P.: Raman spectroscopy of minerals and mineral pigments in archaeometry, J. Raman Spectrosc., 47, 499–530, 2016. 
Brigatti, M. F., Frigieri, P., Ghezzo, C., and Poppi, L.: Crystal chemistry of Al-rich biotites coexisting with muscovites in peraluminous granites, Am. Mineral., 85, 436–448, 2000. 
Brigatti, M. F., Kile, D. E., and Poppi, M.: Crystal structure and crystal chemistry of Lithium-bearing muscovite-2M1, Can. Mineral., 39, 1171–1180, 2001. 
Brigatti, M. F., Affronte, M., Elmi, C., Malferrari, D., and Laurora, A.: Trioctahedral Fe-rich micas: Relationships between magnetic behavior and crystal chemistry, Am. Mineral., 100, 2231–2241, 2015. 
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Combined Raman-scattering and wavelength-dispersive electron microprobe (WD-EMP) analyses of natural biotites expanding over the whole biotite solid-solution series demonstrate that the chemical composition of the MO6 octahedra, TO4 tetrahedra, and interlayer space can be non-destructively determined by Raman spectroscopy with relative uncertainties below 8 %. The content of critical minor elements such as Ti at the octahedral site can be quantified as well with a relative error of ~ 20 %.