This is the Mid Smooth Stone clay with a small addition of granular manganese. This will melt through the glaze giving a nice speckle. This does to fire slightly more grey than Mid Smooth Stone.
Wet-to-dry shrinkage: 7.5%
Total shrinkage at Cone 6: 14%
Absorption at Cone 6: 1%
Each box contains two 10 kilogram bags for a total of 20 kilograms