Know all about Charnockite and Argillite properties here. All properties of rocks are important as they define the type of rock and its application. Charnockite belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks.Texture of Charnockite is Granular whereas that of Argillite is Clastic, Polished. Charnockite appears Veined or Pebbled and Argillite appears Rough and Dull. The luster of Charnockite is not available while that of Argillite is waxy and dull. Charnockite is available in black, grey, orange, pink, white colors whereas Argillite is available in dark grey to black, pink, red, white colors. The commercial uses of Charnockite are curling, gemstone, laboratory bench tops, tombstones and that of Argillite are fire resistant, used to manufracture paperweights and bookends.