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