Raman Glaucophane Prasinite from Viu Italy Epidote Titanite

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Above: transmission images of actinolite. It replaces partly the glaucophane in this rock.
Above: reflection image from a polished slab, below: double polarization reflection image.
Actinolite spectra coming from the different spots of the images above.


Another green pleochroic mineral in this rock section is clinochlore (10), Transmission images.


View of the clinochlore on the polished slab. Color is no more a distinctive sign in the oblique illumination picture (right) due to light absorption of the minerals beneath the chlorite.
Clinochlore spectra with both lasers from images above.