Cathodoluminescence and Raman Spectromicroscopy of Forsterite in Tagish Lake Meteorite: Implications for Astromineralogy

Figure 4

Raman spectrum of Tagish Lake forsterite showing a dominant doublet peak at 823 and 855 cm⁻¹, which are assigned to symmetric and asymmetric stretching vibrational modes of the isolated SiO₄ tetrahedra [18].