Mountain Stone


  • Mountain Stone  is a very plastic, strong clay that offers a beautiful color. The moderate iron spotting enriches glazes and the fired clay. Once you use Mountain Stone, you will be hooked- spots and all!
  • Dry clay is also available for an additional $.14/lb at each weight. Please call for ordering.
  • Priced by the pound. Ordered in 25lb increments
Weight 1 lbs


If you are looking for a speckled clay, be sure to try our Mountain Stone. In a reduction firing, iron specking produces an irregular brown specking pattern in the clay offering various options for a covering glaze. We have blended a diverse amalgam of fire clays, ball clays and stoneware clays to achieve superior handling qualities and firing effects. Our Mountain Stone is a strong, durable clay developed for oxidation and reduction kiln atmospheres. It fires dark brown with speckles in reduction and light brown in oxidation kiln atmospheres.


Weight 25lb 50lb 100lb 500lb 1000lb 2000lb 4000lb
Price $17.50 $31.50 $56.00 $262.50 $455.00 $840.00 $1,540.00
Price/lb $0.70 $0.630 $0.560 $0.525 $0.455 $0.420 $0.385



Cone: 8-10

Wet Color: Red Brown

Fired Color
Oxidation: Light Brown/Buff
Reduction: Speckled Medium Red Brown

Texture: Medium Coarse
Penetrometer Target: 7.5
Avg. Shrinkage ±2%: 12.2%
Avg. Water Absorption ±1%: 2.1%

Additional information

Weight 1 lbs
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