Know all about Shale and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Shale and Breccia belong to Sedimentary Rocks.Texture of Shale is Clastic, Splintery whereas that of Breccia is Brecciated, Clastic. Shale appears Muddy and Breccia appears Layered, Banded, Veined and Shiny. The luster of Shale is dull while that of Breccia is dull to pearly. Shale is available in black, brown, buff, green, grey, red, yellow 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 Shale are creating artwork, pottery and that of Breccia are creating artwork, gemstone, jewelry.