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