In the Figures and, we are also proposing the deconvolution in q-Gaussian (Tsallis) functions of a part of the magnetite and hematite spectra (see Appendix about q-Gaussians). The parameter q is spanning values from 1 to 2. For q=2, the q-Gaussian function is a Lorentzian distribution, for q close to 1, it is the Gaussian. The deconvolution in q-Gaussians of Raman and SERS spectra has been proposed for the first time by me .