Properties of pyroxene glass ceramics, heat treated in the Big Solar Furnace

Pyroxene glass ceramic materials were obtained on the basis of the basaltic rock of the Koitashskii ore field. It is shown that the glass ceramic crystallization process under heat treatment in the electric furnace is fully complete at 1180°C. In the case of heat treatment in the Big Solar Furnace at low powers of 40–60 W/cm 2 , the crystallization process is initiated on the exposed surface of the samples, and bulk crystallization is observed at a power of 80 W/cm 2 .