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