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Madoc Feldspar

Alternate Names: Madoc Spar, Madoc H Feldspar

Description: Legacy Potash feldspar

Oxide Analysis Formula Tolerance
K2O 8.89% 0.62
Na2O 3.59% 0.38
Al2O3 17.39% 1.12
SiO2 68.63% 7.50
Oxide Weight 646.85
Formula Weight 646.85

Notes

Another formula for Madoc:
K2O 0.61
Na2O 0.34
CaO 0.05
Al2O3 1.04
SiO2 6.4

Related Information

Links

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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