Earthstone Clay ES 109 Speckled Stoneware 100 KgEarthstone Clay ES 109 Speckled Stoneware Available in 25 Kgs bags. Minimum order 100 Kgs. Speckled Stoneware is made using our dry batching method of production. ES 109 is superbly plastic and has an attractive speckle. Made from a mixture of ball clays with medium textured silica sand added for tooth it will give a reduction effect when fired in an oxidising atmosphere. This body has been developed for the professional production potter and with