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