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