Know all about Phyllite and Chert properties here. All properties of rocks are important as they define the type of rock and its application. Phyllite belongs to Metamorphic Rocks while Chert belongs to Sedimentary Rocks.Texture of Phyllite is Phyllitic Sheen, Slaty whereas that of Chert is Banded, Rough. Phyllite appears Crinkled or Wavy and Chert appears Glassy or Pearly. The luster of Phyllite is phyllitic while that of Chert is waxy and dull. Phyllite is available in black to grey, light greenish grey colors whereas Chert is available in black, brown, green, grey, red, white colors. The commercial uses of Phyllite are cemetery markers, commemorative tablets, creating artwork, writing slates and that of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms.