Know all about Taconite and Granodiorite properties here. All properties of rocks are important as they define the type of rock and its application. Taconite belongs to Sedimentary Rocks while Granodiorite belongs to Igneous Rocks.Texture of Taconite is Banded, Trellis whereas that of Granodiorite is Granular, Phaneritic. Taconite appears Layered, Banded, Veined and Shiny and Granodiorite appears Veined or Pebbled. The luster of Taconite is earthy while that of Granodiorite is grainy, pearly and vitreous. Taconite is available in red, reddish brown colors whereas Granodiorite is available in black, grey, orange, pink, white colors. The commercial uses of Taconite are as a touchstone, cemetery markers, creating artwork and that of Granodiorite are curling, gemstone, laboratory bench tops, tombstones.