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