Know all about Nepheline Syenite and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Nepheline Syenite belongs to Igneous Rocks while Breccia belongs to Sedimentary Rocks.Texture of Nepheline Syenite is Granular whereas that of Breccia is Brecciated, Clastic. Nepheline Syenite appears Banded and Foilated and Breccia appears Layered, Banded, Veined and Shiny. The luster of Nepheline Syenite is greasy to dull while that of Breccia is dull to pearly. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, 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 Nepheline Syenite are cemetery markers, creating artwork and that of Breccia are creating artwork, gemstone, jewelry.