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Micro-Raman spectroscopy for a quick and reliable identification of serpentine minerals from ultramafics

¹ Dept. of Mineralogical and Petrological Sciences, University of Turin, Via Valperga Caluso 35, 10125 Torino, Italy
² Dept. of Environmental and Life Science, University of Eastern Piedmont "Amedeo Avogadro", Via Bellini 25/G, 15100 Alessandria, Italy
³ Interdepartmental Centre "G. Scansetti" for Studies on Asbestos and other Toxic Particulates, University of Turin, Italy

^* Corresponding author, e-mail: chiara.groppo{at}unito.it

Identifying serpentine minerals in rocks is generally accomplished by means of Scanning Electron Microscopy - Energy Dispersion Spectrometry (SEM-EDS) and Transmission Electron Microscopy (TEM), both of which require complicated sample preparation. In this work, we evaluate the use of micro-Raman spectroscopy, which requires no sample preparation, in identifying the different serpentine minerals contained in thin sections of serpentinized peridotites, where the various phases occur in different microstructural positions. The micro-Raman spectra were obtained from samples previously characterized by optical microscopy, SEM-EDS and TEM. Micro-Raman spectroscopy proved to be a quick, easy and reliable method for the identification of serpentine minerals.

Key-words: serpentine minerals, micro-Raman spectroscopy, chemical analysis, linkages, vibrations.

This article has been cited by other articles:

				E. Belluso, E. Fornero, S. Cairo, G. Albertazzi, and C. Rinaudo THE APPLICATION OF MICRO-RAMAN SPECTROSCOPY TO DISTINGUISH CARLOSTURANITE FROM SERPENTINE-GROUP MINERALS Can Mineral, December 1, 2007; 45(6): 1495 - 1500. [Abstract] [Full Text] [PDF]