Abstract
: In present study, monoclinic-ZrO2 (m-ZrO2 ) was used as a nucleating agent with SiO2 -Al2 O3 - CaO-MgO system, to evaluate microstructural change, crystallization tendency, mechanical and chemical properties of glass ceramics as a function of zirconia addition. It was found that zirconia not only helps in crystallization of glass ceramic but also improves mechanical properties of glass ceramic. With increase in concentration of ZrO2 in the system the chemical durability of against acid and alkali and Vickers’s hardness increases, 1.64% ZrO2 showed superior chemical durability and mechanical strength. Therefore, the experimental results provided strong evidence that this material had all the potential properties to be used as building material, or as an engine component.