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