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