Know all about Phyllite and Mudstone properties here. All properties of rocks are important as they define the type of rock and its application. Phyllite belongs to Metamorphic Rocks while Mudstone belongs to Sedimentary Rocks.Texture of Phyllite is Phyllitic Sheen, Slaty whereas that of Mudstone is Clastic. Phyllite appears Crinkled or Wavy and Mudstone appears Rough and Dull. The luster of Phyllite is phyllitic while that of Mudstone is dull. Phyllite is available in black to grey, light greenish grey colors whereas Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Phyllite are cemetery markers, commemorative tablets, creating artwork, writing slates and that of Mudstone are creating artwork, pottery.