
Custer spar 44
Frit 3134 15
Hardwood ash 16
Ball clay 14
Silica 11
Total 100
Bentonite 2
Ochre Rouge Local 2

Custer spar 44
Frit 3134 15
Hardwood ash 16
Ball clay 14
Silica 11
Total 100
Bentonite 2
Ochre Rouge Local 4

Custer spar 44
Frit 3134 15
Hardwood ash 16
Ball clay 14
Silica 11
Total 100
Bentonite 2
Ochre Rouge Local 6

Custer spar 44
Frit 3134 15
Hardwood ash 16
Ball clay 14
Silica 11
Total 100
Bentonite 2
Ochre Rouge Local 8

Custer spar 44
Frit 3134 15
Hardwood ash 16
Ball clay 14
Silica 11
Total 100
Bentonite 2
Ochre Rouge Local 10