Know all about Scoria and Taconite properties here. All properties of rocks are important as they define the type of rock and its application. Scoria belongs to Igneous Rocks while Taconite belongs to Sedimentary Rocks.Texture of Scoria is Vesicular whereas that of Taconite is Banded, Trellis. Scoria appears Glassy and Vesicular and Taconite appears Layered, Banded, Veined and Shiny. The luster of Scoria is subvitreous to dull while that of Taconite is earthy. Scoria is available in black, brown, dark grey to black, red colors whereas Taconite is available in red, reddish brown colors. The commercial uses of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills and that of Taconite are as a touchstone, cemetery markers, creating artwork.