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