Know all about Taconite and Tonalite properties here. All properties of rocks are important as they define the type of rock and its application. Taconite belongs to Sedimentary Rocks while Tonalite belongs to Igneous Rocks.Texture of Taconite is Banded, Trellis whereas that of Tonalite is Phaneritic. Taconite appears Layered, Banded, Veined and Shiny and Tonalite appears Banded and Foilated. The luster of Taconite is earthy while that of Tonalite is subvitreous to dull. Taconite is available in red, reddish brown colors whereas Tonalite is available in black, brown, light to dark grey, white colors. The commercial uses of Taconite and Tonalite are as a touchstone, cemetery markers, creating artwork.