Know all about Phonolite and Sandstone properties here. All properties of rocks are important as they define the type of rock and its application. Phonolite belongs to Igneous Rocks while Sandstone belongs to Sedimentary Rocks.Texture of Phonolite is Granular whereas that of Sandstone is Clastic, Granular, Rough. Phonolite appears Banded and Foilated and Sandstone appears Rough. The luster of Phonolite is greasy to dull while that of Sandstone is dull. Phonolite is available in brown, buff, cream, green, grey, pink, white colors whereas Sandstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Phonolite are cemetery markers, creating artwork and that of Sandstone are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.