Ancient Jasper is a fluid, opaque glaze that transitions from soft black to olive green to rust red as it is applied thicker. This glaze has an active, varied surface by itself and layers with our other Potter’s Choice glazes with striking results.
Cone 5/6 brushing glaze.
All colors in the Potter’s Choice series are LEAD FREE. CL glazes restricted from use K-6 (ASTM D-4236/LHAMA) Cone 5-6. The Potter’s Choice series is a collection of potters’ favorite glazes made easy. These glazes are fired in an oxidation kiln. They are made for anyone who would like to achieve the Cone 10 reduction effects without having to have a reduction gas kiln or firing at that high temperature. The PC Series glazes look beautiful and authentic. They work well over stoneware or porcelain clays.