Know all about Taconite and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Taconite and Gritstone belong to Sedimentary Rocks.Texture of Taconite is Banded, Trellis whereas that of Gritstone is Earthy. Taconite appears Layered, Banded, Veined and Shiny and Gritstone appears Layered and Foliated. The luster of Taconite is earthy while that of Gritstone is dull. Taconite is available in red, reddish brown colors whereas Gritstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Taconite are as a touchstone, cemetery markers, creating artwork and that of Gritstone are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo), tombstones.