Know all about Shoshonite and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Shoshonite belongs to Igneous Rocks while Breccia belongs to Sedimentary Rocks.Texture of Shoshonite is Porphyritic whereas that of Breccia is Brecciated, Clastic. Shoshonite appears Dull and Breccia appears Layered, Banded, Veined and Shiny. The luster of Shoshonite is dull while that of Breccia is dull to pearly. Shoshonite is available in brown- black, dark brown 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 Shoshonite are cemetery markers, creating artwork and that of Breccia are creating artwork, gemstone, jewelry.