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A-3 Feldspar

Alternate Names: A3 Feldspar, Kona A-3 Feldspar, Kona A3 Feldspar

Description: potash feldspar

Oxide Analysis Formula Tolerance
CaO 0.40% 0.05
K2O 7.51% 0.53
Na2O 4.00% 0.43
Al2O3 16.30% 1.06
SiO2 71.63% 7.87
Fe2O3 0.07% -
LOI 0.09%n/a
Oxide Weight 660.04
Formula Weight 660.63

Notes

No longer available.

Related Information

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Materials Potash Feldspar
A feldspar having a KNaO content that predominates in potassium.
Materials Soda Feldspar
A feldspar having a KNaO content that predominates in sodium.
Typecodes Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies.
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