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