Know all about Arkose and Phonolite properties here. All properties of rocks are important as they define the type of rock and its application. Arkose belongs to Sedimentary Rocks while Phonolite belongs to Igneous Rocks.Texture of Arkose is Clastic whereas that of Phonolite is Granular. Arkose appears Rough and Dull and Phonolite appears Banded and Foilated. The luster of Arkose is dull while that of Phonolite is greasy to dull. Arkose is available in reddish brown colors whereas Phonolite 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 Phonolite are cemetery markers, creating artwork.