Sources of Fluxes

Theoretical Feldspar

1 K2O(Potash) or

1 Na2O (Soda)

1 Al2O3

6 SiO2

Custer Feldspar

0.665 K2O

1.043 Al2O3

7.137 SiO2 

0.304 Na2O

0.031 CaO 

0.006 Fe2O3

6.8:1 Si:Al Ratio
Percentage Analysis:

69.22 % SiO2

17.17 % Al2O3

10.11 % K2O

3.04 % Na2O

0.27 % CaO

0.16 % Fe2O3

Dolomite:(Theoretical)

0.500 CaO 

0.500 MgO 

Percentage Analysis:

58.17 % CaO

41.83 % MgO

Petalite:(Theoretical)

1 Li2O

1 Al2O3

8 SiO2

Petalite Actual

0.018 K2O

0.951 Al2O3

7.793 SiO2 

0.037 Na2O

0.012 CaO

0.061 MgO 

0.872 Li2O

0.006 F    

8.2:1 Si:Al Ratio
Percentage Analysis:

78.22 % SiO2

16.20 % Al2O3

0.28 % K2O

0.38 % Na2O

0.12 % CaO

0.42 % MgO

4.36 % Li2O

0.02 % F

Spodumene:(Theoretical)

1 Li2O

1 Al2O3

4 SiO2

0.033 K2O

1.046 Al2O3

4.333 SiO2

0.017 Na2O

0.021 CaO

0.021 Fe2O3

0.929 Li2O

0.008 P2O5 

4.1:1 Si:Al Ratio

Percentage Analysis:

64.33 % SiO2

26.36 % Al2O3

0.77 % K2O

0.27 % Na2O

0.30 % CaO

6.87 % Li2O

0.84 % Fe2O3

0.27 % P2O5

Nepheline Syenite Theoretical

A200 Nepheline Syenite

0.2199 K2O

1.034 Al2O3

4.558SiO2 

0.7125 Na2O

0.0563 CaO

0.0018 Fe2O3

0.0113 MgO

4.4:1 Si:Al Ratio

Minspar:

0.250 K2O

1.034 Al2O3

6.517 SiO2 

0.597 Na2O

0.153 CaO

6.3:1 Si:Al Ratio

Percentage Analysis:

69.16 % SiO2

18.62 % Al2O3

4.15 % K2O

6.54 % Na2O

1.52 % CaO