Ingredients

Ingredient Amount
Red Art 55.00
Silica 5.00
Ball Clay 5.00
Manganese Dioxide 45.00
Copper Carbonate 10.00
Cobalt Carbonate 10.00

Instructions

Source: Seth Green

Recipe originally asked for copper and cobalt oxides at 5g each.  Modified by doubling both and switching to carbonates.
Mixed by hand with equal weight in water as ingredients.  Applied by spray.