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