551
Cone 6 White porcelain. Wins most vitrified award. Super smooth and creamy. Glazes are bright and brilliant on this clay. Great if you are staining clay bodies with mason stains or oxides (Nerikomi/Agateware).
Cone 6 Shrinkage 13.0% Absorption 0.3%
630
Gray (White) Stoneware. This is the clay we used to provide in the communal buckets. Contains fire clay and mullite which (supposedly) enhances thermal properties. Fires grayish and the fired unglazed clay looks like white stoneware at cone ten. This is a good clay for beginners because the grog in the clay helps prevent cracking during drying. Some people have experienced bloating issues with this clay body.
Cone 6 Shrinkage 13.0% Absorption 1.5%
240
Ivory (White) Stoneware.
A very smooth, plastic throwing body. This clay doesn’t have grog so it is more prone to cracking during drying, dry slowly to avoid this, not having grog allows you to sponge smooth t
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