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