Weathering phenomena occurring during storage of tableware glasses with different chemical compositions were examined using Scanning Electron Microscopy (SEM) and Electron Diffraction X-ray analysis (EDX). The tumblers of different chemical compositions of tableware glass, crystalline type, were prepared in a small tank furnace. They were packed in paper boxes and placed in the warehouse. Samples were removed after 4 months, two years, and 4 years. The inner surface of the samples was analyzed with SEM and EDX. In addition, concentration profiles of the glass wall were measured using EDX. The comparison of the SiO₂ change is discussed in connection with the glass weathering resistance of different glass compositions. The presence of large amounts of corrosion products, microcracks in the surface layer, and a significant difference in SiO₂ content between the surface and the bulk glass indicates low weathering resistance in glass with less than 1% Al₂O₃ and without ZnO, ZrO₂, or TiO₂.