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Eureka Feldspar

Description: Legacy low calcium potash feldspar

Oxide Analysis Formula
CaO 0.01% -
K2O 9.37% 0.64
Na2O 3.49% 0.36
Al2O3 17.05% 1.07
SiO2 69.70% 7.44
Fe2O3 0.11% -
LOI 0.20%n/a
Oxide Weight 639.55
Formula Weight 640.83

Related Information

Links

Materials Custer Feldspar
The most common potash feldspar used in ceramics in North America. While having been a standard for many decades its supply appears in doubt in 2024.
Materials Potash Feldspar
Typecodes Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies.
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