
Nepheline syenite 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Manganese dioxide 1

Nepheline syenite 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Manganese dioxide 2

Nepheline syenite 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Manganese dioxide 3

Nepheline syenite 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Manganese dioxide 4

Nepheline syenite 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Manganese dioxide 5