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