Know all about Nephelinite and Taconite properties here. All properties of rocks are important as they define the type of rock and its application. Nephelinite belongs to Igneous Rocks while Taconite belongs to Sedimentary Rocks.Texture of Nephelinite is Aphanitic whereas that of Taconite is Banded, Trellis. Nephelinite appears Skeletal and Taconite appears Layered, Banded, Veined and Shiny. The luster of Nephelinite is vitreous to metallic while that of Taconite is earthy. Nephelinite is available in black, brown, colourless, green, grey, white colors whereas Taconite is available in red, reddish brown colors. The commercial uses of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo) and that of Taconite are as a touchstone, cemetery markers, creating artwork.