Know all about Nephelinite and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Nephelinite belongs to Igneous Rocks while Breccia belongs to Sedimentary Rocks.Texture of Nephelinite is Aphanitic whereas that of Breccia is Brecciated, Clastic. Nephelinite appears Skeletal and Breccia appears Layered, Banded, Veined and Shiny. The luster of Nephelinite is vitreous to metallic while that of Breccia is dull to pearly. Nephelinite is available in black, brown, colourless, green, grey, white colors whereas Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow colors. The commercial uses of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo) and that of Breccia are creating artwork, gemstone, jewelry.