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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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