Stoneware - Mayco's Stoneware glaze assortment, including Opals, Ices, and Washes, offers a variety of finishes, textures and endless possibilities for glaze combinations. Designed to perform from cones 5-10, in oxidation or reduction firing processes on stoneware clay body of choice. Artists will appreciate the consistency of performance and control of movement. Artists will find amazing glaze combinations to expand the creative possibilities in the studio. Whether it is a pairing with a Mayco Wash, one of our Clears or a complex surface like SW-127 Olivine, these layering techniques will improve the work of any clay enthusiast.