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