Know all about Siltstone and Taconite properties here. All properties of rocks are important as they define the type of rock and its application. Siltstone and Taconite belong to Sedimentary Rocks.Texture of Siltstone is Clastic whereas that of Taconite is Banded, Trellis. Siltstone appears Rough and Taconite appears Layered, Banded, Veined and Shiny. The luster of Siltstone is dull while that of Taconite is earthy. Siltstone and Taconite are available in brown, red, reddish brown colors. The commercial uses of Siltstone are raw material for the manufacture of mortar, soil conditioner and that of Taconite are as a touchstone, cemetery markers, creating artwork.