Aardvark Clays Coleman Porcelain Tom Coleman porcelain. Cone 10. White. More feldspar than Plainsman P700, thus more vitreous (but more prone to warping). Less bentonite (thus less plastic and dries faster). Fired color is the same.
1-9 boxes: $116.71/50 lb
Plainsman P300InfoSDS Medium fire porcelain. Cone 5/6.