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