Number 1 Stoneware Cone 6 Clay. This is a strong body, medium texture, well blended and prepared to give you the plasticity needed for throwing. Fire either oxidation or reduction. A throwing and hand building clay. Fires Between Cone 6-9, 2232-2300° F. Shrinkage rate= Cone 6 - 11.5%, Cone 9 - 11.7%. Best use is Throwing and Hand building.