Know all about Argillite and Pyroxenite properties here. All properties of rocks are important as they define the type of rock and its application. Argillite belongs to Sedimentary Rocks while Pyroxenite belongs to Igneous Rocks.Texture of Argillite is Clastic, Polished whereas that of Pyroxenite is Clastic, Granular, Phaneritic, Porphyritic. Argillite appears Rough and Dull and Pyroxenite appears Layered, Banded, Veined and Shiny. The luster of Argillite is waxy and dull while that of Pyroxenite is dull to vitreous to submetallic. Argillite is available in dark grey to black, pink, red, white colors whereas Pyroxenite is available in black to grey, bluish - grey, dark greenish - grey, green, light greenish grey colors. The commercial uses of Argillite are fire resistant, used to manufracture paperweights and bookends and that of Pyroxenite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.