Know all about Argillite and Anthracite properties here. All properties of rocks are important as they define the type of rock and its application. Argillite belongs to Sedimentary Rocks while Anthracite belongs to Metamorphic Rocks.Texture of Argillite is Clastic, Polished whereas that of Anthracite is Amorphous, Glassy. Argillite appears Rough and Dull and Anthracite appears Veined or Pebbled. The luster of Argillite is waxy and dull while that of Anthracite is shiny. Argillite is available in dark grey to black, pink, red, white colors whereas Anthracite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Argillite are fire resistant, used to manufracture paperweights and bookends and that of Anthracite are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry.