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