IRONSTONE Cone 6 Black Clay

$0.78 Per Pound
  • Buy 50 for $0.75 each and save 4.7%
  • Buy 100 for $0.69 each and save 12.1%
  • Buy 500 for $0.65 each and save 17.4%
  • Buy 1000 for $0.58 each and save 25.9%
  • Buy 2000 for $0.54 each and save 31.2%

IRONSTONE  Black Clay Cone 6

NEW and Improved black clay, fired to cone 6

Has a lot of iron in the body, a magnet will actually stick to it!

A medium texture clay body, will not stain your hands. Glazes react to the high iron content, and may speckle.

This clay has a wide reaction to temperature, glazes, and atmosphere, you should do a lot of testing. 

Please post your results to #ironstoneclay and #blackclay.

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cone 6
clay   ironstone
date   7/30/2021
batch   1
dry shrinkage   7
fired shrinkage   13
absorption   0.128%  not much

Warning WARNING: This product can expose you to chemicals including Silica, crystalline (airborne particles of respirable size), which are known to the State of California to cause cancer.  For more information go to