Know all about Arkose and Nepheline Syenite properties here. All properties of rocks are important as they define the type of rock and its application. Arkose belongs to Sedimentary Rocks while Nepheline Syenite belongs to Igneous Rocks.Texture of Arkose is Clastic whereas that of Nepheline Syenite is Granular. Arkose appears Rough and Dull and Nepheline Syenite appears Banded and Foilated. The luster of Arkose is dull while that of Nepheline Syenite is greasy to dull. Arkose is available in reddish brown colors whereas Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones and that of Nepheline Syenite are cemetery markers, creating artwork.