Know all about Argillite and Monzonite properties here. All properties of rocks are important as they define the type of rock and its application. Argillite belongs to Sedimentary Rocks while Monzonite belongs to Igneous Rocks.Texture of Argillite is Clastic, Polished whereas that of Monzonite is Phaneritic. Argillite appears Rough and Dull and Monzonite appears Shiny. The luster of Argillite is waxy and dull while that of Monzonite is subvitreous to dull. Argillite is available in dark grey to black, pink, red, white colors whereas Monzonite is available in black, brown, light to dark grey, white colors. The commercial uses of Argillite are fire resistant, used to manufracture paperweights and bookends and that of Monzonite are creating artwork.