Observer les objets géologiques

Anhydrite

(Anhydrous Gypsum)
 CaSO4

Sample : Aggregate of anhydrite crystals.

Raman Spectrum of Anhydrite (1)
Analysis settings : Unoriented sample. Laser wavelength: 514.5 nm.
Instrument : Spectrometer : Labram HR800 vis Jobin Yvon Horiba, semi-confocal microscope. Laser source : Spectra Physics 2018 Ar+/Kr+
2011