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Nepheline Syenite Norwegian

Alternate Names: North Cape Nepheline Syenite, Spectrum N500

Oxide Analysis Formula
K2O 8.80% 0.41
SiO2 57.20% 4.22
Al2O3 24.40% 1.06
Na2O 8.20% 0.59
Fe2O3 0.10% 0.00
TiO2 0.10% 0.01
Oxide Weight 437.80
Formula Weight 442.22


North Cape nepheline syenite is produced in the north of Norway, near the Alta fjord within the Arctic circle. This has a much higher K2O (and lower Na2O) than the Canadian material.
The analysis on the Sibelco data page likely has an error in the SiO2, we have change it from 53.2 to 57.2.

Related Information


Materials Feldspar
Materials Nepheline Syenite
Typecodes Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies.
Typecodes Materials used in Denmark

By Tony Hansen

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