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Materials for Ceramics

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Madoc Feldspar

Alternate Names: Madoc Spar, Madoc H Feldspar

Description: Legacy Potash feldspar

Oxide	Analysis	Formula
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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