Know all about Mudstone and Anthracite properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone belongs to Sedimentary Rocks while Anthracite belongs to Metamorphic Rocks.Texture of Mudstone is Clastic whereas that of Anthracite is Amorphous, Glassy. Mudstone appears Rough and Dull and Anthracite appears Veined or Pebbled. The luster of Mudstone is dull while that of Anthracite is shiny. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Anthracite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Mudstone are creating artwork, pottery and that of Anthracite are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry.