266 Umbria

Gives a reduction-like dark brown color in an electric kiln.  Smooth and plastic.
Good for all techniques. Contains manganese. We recommend a cone 5 firing for this clay.

25lb bag $31.00

Cone 4 Average Shrinkage 11.5% Absorption 2.4%
Cone 5 Average Shrinkage 12.5% Absorption 1.0%