Custer feldspar 75
Gerstley borate 10
Whiting 10
Silica 5
Bentonite 2
Manganese dioxide 1
Custer feldspar 75
Gerstley borate 10
Whiting 10
Silica 5
Bentonite 2
Manganese dioxide 2
Custer feldspar 75
Gerstley borate 10
Whiting 10
Silica 5
Bentonite 2
Manganese dioxide 3
Custer feldspar 75
Gerstley borate 10
Whiting 10
Silica 5
Bentonite 2
Manganese dioxide 4
Custer feldspar 75
Gerstley borate 10
Whiting 10
Silica 5
Bentonite 2
Manganese dioxide 5