Know all about Suevite and Phyllite properties here. All properties of rocks are important as they define the type of rock and its application. Suevite and Phyllite belong to Metamorphic Rocks.Texture of Suevite is Earthy whereas that of Phyllite is Phyllitic Sheen, Slaty. Suevite appears Banded and Phyllite appears Crinkled or Wavy. The luster of Suevite is earthy while that of Phyllite is phyllitic. Suevite is available in black, brown, colourless, green, grey, pink colors whereas Phyllite is available in black to grey, light greenish grey colors. The commercial uses of Suevite are as a feed additive for livestock, gemstone, metallurgical flux, source of magnesia (mgo) and that of Phyllite are cemetery markers, commemorative tablets, creating artwork, writing slates.