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