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Materials for Ceramics

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Keystone Feldspar

Alternate Names: Keystone Spar

Description: Legacy potash feldspar

Oxide	Analysis	Formula
K2O	13.34%	0.80
Na2O	2.19%	0.20
Al2O3	19.86%	1.10
SiO2	64.61%	6.08
Oxide Weight		565.18
Formula Weight		565.18

Notes

Another formula we have is:
K₂O 0.72
Na₂O 0.25
CaO 0.03
Al₂O₃ 1.05
SiO₂ 7.05

Related Information

Links

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

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