Observer les objets géologiques

Corundum

 Al2O3

Sample : Prismatic, mauve color, corundum in a phlogopite-feldspar-sillimanite schist.

Location : Africa, Madagascar, Ihorombe, Ihosy,

Oxides and Hydroxides

Hematite Group

Raman Spectrum of Corundum (93)
Analysis settings : Unoriented sample. Laser wavelength: 532 nm.
Instrument : Spectrometer : Labram HR800 Jobin Yvon Horiba, semi-confocal microscope. Laser source : Laser Quantum Torus 400 532nm
2019