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