Know all about Nephelinite and Travertine properties here. All properties of rocks are important as they define the type of rock and its application. Nephelinite belongs to Igneous Rocks while Travertine belongs to Sedimentary Rocks.Texture of Nephelinite is Aphanitic whereas that of Travertine is Banded. Nephelinite appears Skeletal and Travertine appears Fibrous. The luster of Nephelinite is vitreous to metallic while that of Travertine is dull to pearly. Nephelinite is available in black, brown, colourless, green, grey, white colors whereas Travertine is available in beige, black, blue, brown, grey, red, white, yellow colors. The commercial uses of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo) and that of Travertine are cemetery markers, creating artwork, gemstone, jewelry, paper industry, pottery.