Crystals of the CuCr 2 Se 4 ferromagnetic spinel and spinel-based solid solutions are shown to form in glass-forming alloys of the Cu 2 Se-As 2 Se 3 -Cr 2 Se 3 -Se system containing Cr 2 Se 3 at a content greater than 0.005 mole fractions. The crystalline phases are identified by the magnetochemical method (from the Curie temperatures) and X-ray diffraction analysis. According to electron microscopy, the crystal sizes are equal to several micrometers. IR irradiation of the samples in a magnetic field leads to an increase in the magnetization. The excess magnetization disappears after the external magnetic field is removed.