2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/137027We present the results of studies for magnetogyration (MG) effect in (Ga0.3In0.7)2Se3 and SiO2 crystals performed with the small-angular polarimetric mapping technique. It is shown that the MG effect magnitude is comparable with the experimental error.8 pages, 8 figuresOpticstext