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DF Cornwall Stone

Oxide Analysis Formula
CaO 0.20% 0.03
K2O 3.80% 0.38
Na2O 3.90% 0.59
Al2O3 12.01% 1.10
SiO2 79.57% 12.40
Fe2O3 0.06% -
LOI 0.45%n/a
Oxide Weight 931.95
Formula Weight 936.17

Notes

Defluorinated or DF Cornwall Stone is a processed material, micaceous iron and fluorine are removed by a flotation process.

Related Information

Links

Materials Cornwall Stone
Typecodes Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies.
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