Pargasite in Zoisite-Ruby section.

Yellow green Pargasite spectra.

     Green pargasite crystals in Zoisite-Ruby section from Tanzania. Thick section. The pale yellow-green to deep green pleochroism is well defined in the polarized spectra. Small spin forbidden transitions at 14500 20200 and 22500 cm-1 are also well defined. Green and purple curves were recorded at higher resolution.