Know all about Phyllite and Variolite properties here. All properties of rocks are important as they define the type of rock and its application. Phyllite belongs to Metamorphic Rocks while Variolite belongs to Igneous Rocks.Texture of Phyllite is Phyllitic Sheen, Slaty whereas that of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Phyllite appears Crinkled or Wavy and Variolite appears Dull and Soft. The luster of Phyllite is phyllitic while that of Variolite is not available. Phyllite is available in black to grey, light greenish grey colors whereas Variolite is available in black, brown, light to dark grey colors. The commercial uses of Phyllite and Variolite are cemetery markers, commemorative tablets, creating artwork, writing slates.