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