transmission IR spectra of minerals in the far IR region. The PE discs are prepared at rather high temperatures...root-mean-square approximation of the spectrum in the region free of strong absorption. A review of the most...analysis for the IR spectrum of gmelinite-K in the region of Si–O-stretching vibrations carried out with...analysis for the IR spectrum of gmelinite-K in the region of Si–O-stretching vibrations carried out with...analysis for the IR spectrum of gmelinite-K in the region of Si–O-stretching vibrations carried out with