Know all about Nepheline Syenite and Shonkinite properties here. All properties of rocks are important as they define the type of rock and its application. Nepheline Syenite and Shonkinite belong to Igneous Rocks.Texture of Nepheline Syenite is Granular whereas that of Shonkinite is Earthy. Nepheline Syenite appears Banded and Foilated and Shonkinite appears Banded and Foilated. The luster of Nepheline Syenite is greasy to dull while that of Shonkinite is subvitreous to dull. Nepheline Syenite and Shonkinite are available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Nepheline Syenite and Shonkinite are cemetery markers, creating artwork.