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