Missouri Straw Yellow

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Cone: 9 – 10
Color: mottled yellow
Surface: satin
Firing: reduction

Recipe:    (Percent)
Cornwall Stone ……………52.00
EPK Kaolin………………… 20.50
Dolomite …………………….11.70
Magnesium Carbonate …. 6.30
Whiting ……………………… 6.30
Bone Ash ……………………. 3.20
Totals:            100 %
Also add:
Rutile ………………………… 5.00
Red Iron Oxide …………… 2.00

Comments:
Never make more than a 7,000 gram batch!!!

Estimated Thermal Expansion = 7.44×10-6 /deg. C

Unity Formula for OU Missouri Straw Yellow:
0.059 K2O     0.409 Al2O3    2.132 SiO2
0.091 Na2O    0.003 Fe2O3    0.003 TiO2
0.483 CaO     0.033 P2O5     5.2:1 Si:Al Ratio
0.367 MgO
0.001 Li2O

Percentage Analysis for OU Missouri Straw Yellow: (by weight)
56.10 %   SiO2
18.27 % Al2O3
2.43 %    K2O
2.47 %  Na2O
11.87 %    CaO
6.48 %    MgO
0.01 %   Li2O
0.21 % Fe2O3
2.05 %   P2O5
0.11 %    TiO2