Know all about Phonolite and Suevite properties here. All properties of rocks are important as they define the type of rock and its application. Phonolite belongs to Igneous Rocks while Suevite belongs to Metamorphic Rocks.Texture of Phonolite is Granular whereas that of Suevite is Earthy. Phonolite appears Banded and Foilated and Suevite appears Banded. The luster of Phonolite is greasy to dull while that of Suevite is earthy. Phonolite is available in brown, buff, cream, green, grey, pink, white colors whereas Suevite is available in black, brown, colourless, green, grey, pink colors. The commercial uses of Phonolite are cemetery markers, creating artwork and that of Suevite are as a feed additive for livestock, gemstone, metallurgical flux, source of magnesia (mgo).