Know all about Argillite and Granite properties here. All properties of rocks are important as they define the type of rock and its application. Argillite belongs to Sedimentary Rocks while Granite belongs to Igneous Rocks.Texture of Argillite is Clastic, Polished whereas that of Granite is Granular, Phaneritic. Argillite appears Rough and Dull and Granite appears Veined or Pebbled. The luster of Argillite is waxy and dull while that of Granite is dull to grainy with sporadic parts pearly and vitreous. Argillite is available in dark grey to black, pink, red, white colors whereas Granite is available in black, grey, orange, pink, white colors. The commercial uses of Argillite are fire resistant, used to manufracture paperweights and bookends and that of Granite are curling, gemstone, laboratory bench tops, tombstones, used in aquariums.