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A feldspathoid silica-undersaturated aluminosilicate mineral.
Out Bound Links
In Bound Links
- (Materials - Related)
Nepheline Syenite - Generic
- (Minerals - Related)
Hardness: 5.5-6 Density: 2.5
K2O 21.50%, Al2O3 23.50%, SiO2 55%
An alumino-silicate common to granites and feldspars, often accompanied by nepheline. Easily fluxed below 1000C.
By Tony Hansen