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Ingredients

Ingredient Amount
Bone Ash 40.00
mahavir 16.00
kaolin-(grolleg) 25.00
Silica 19.00
Add Amount
best-black-mason-stain 10.00
Veegum 5.00

Instructions

Can be applied either as a thick glaze (slip consistency) or a clay body. When it comes to clay consistency, it is structural in the green state, but becomes sticky at cone 6, and melts at cone 10. The porous satin surface is produced consistently when applied thickly over porcelaneous clays, but turns semi-metallic and loses pore definition over higher-iron clays. Silicon carbide (about 8%) can be added to increase puffiness, but also causes loss of pore definition. The addition of Veegum is only necessary when building at clay consistency (it’s still not very plastic).

 

This recipe was shared by Gabriel John Poucher in the May 2025 issue of Ceramics Monthly.

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