Metal tartrate compounds find various applications. Cobalt tartrate finds applications in semiconductors, medicine optics, gold industries and veterinary drugs. In the present study, cobalt levo-tartrate crystals were grown using silica hydro-gel as growthmedium. Spherulitic reddish crystals were obtained. The crystals were characterized by Thermo gravimetric analysis and kinetic as well as thermodynamic parameters were evaluated for the different stage of decomposition.