BLACK ROCK Stoneware Clay
Sold by the 25 lb bag. | CONE 10
Black Rock is Clay Planet's latest addition to our high fire stoneware line.
A dark brown to black plastic throwing and sculpting stoneware clay body, with medium grog.
Fires brown in oxidation, and dark brown to black in reduction and atmospheric firing.
Shrinkage is approximately 12%
Absorption 1%