Option I

Redart 75
Kaolin 7
Custer 7
Dolomite 8
Whiting 3

Option II

Redart 60
Ball clay 15
Custer 12
Dolomite 8
Whiting 3
RIO 1.5

Option III

Redart 71
Kaolin 8
Custer 10
Dolomite 8
Whiting 3
RIO 0.6

Option IV

Redart 68
Ball clay 11
Custer 10
Dolomite 8
Whiting 3
RIO 0.6

Option V

Redart 71
Ball clay 12
Custer 6
Dolomite 8
Whiting 3

Option VI

Redart 63
Ball clay 14
Custer 11
Dolomite 8
Whiting 3
RIO 1.2

Option VII

Redart 56
Ball clay 17
Custer 14
Dolomite 8
Whiting 3
RIO 2

Option VIII

Redart 77
Dolomite 8
Whiting 3
Ball Clay 12
Red Iron Oxide 0.2

Option IX

Redart 77
Nepheline/Syenite 12
Dolomite 7
Whiting 4