Know all about Phyllite and Scoria properties here. All properties of rocks are important as they define the type of rock and its application. Phyllite belongs to Metamorphic Rocks while Scoria belongs to Igneous Rocks.Texture of Phyllite is Phyllitic Sheen, Slaty whereas that of Scoria is Vesicular. Phyllite appears Crinkled or Wavy and Scoria appears Glassy and Vesicular. The luster of Phyllite is phyllitic while that of Scoria is subvitreous to dull. Phyllite is available in black to grey, light greenish grey colors whereas Scoria is available in black, brown, dark grey to black, red colors. The commercial uses of Phyllite are cemetery markers, commemorative tablets, creating artwork, writing slates and that of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills.