Olive Stone is a cone 5/6 stoneware glaze. It produces a brownish olive green surface that is slightly brighter on white clays than on darker ones.
One of Spectrum's Reactive Glazes, which are all lead free, non-toxic and food-safe. They are formulated to produce reactions during the firing cycle which give very interesting and beautiful effects. The final appearance of the glaze is dependent on firing temperature, glaze thickness and the composition of the clay body being used.