Goldart Stoneware Clay, by Cedar Heights resco. 50 Pound Bag.
GOLDART - is a ceramic grade stoneware clay (95% <74 microns) mined in Ohio and produced by the Cedar Heights Clay Company. It is used in clay bodies to increase refractoriness. Fired at cone 2 cream, and at cone 8 buff. This type of pottery clay is sometimes used for making backyard clay or cob ovens.