Know all about Oil shale and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Oil shale and Breccia belong to Sedimentary Rocks.Texture of Oil shale is Splintery whereas that of Breccia is Brecciated, Clastic. Oil shale appears Muddy and Breccia appears Layered, Banded, Veined and Shiny. The luster of Oil shale is dull while that of Breccia is dull to pearly. Oil 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 Oil shale are an oil and gas reservoir and that of Breccia are creating artwork, gemstone, jewelry.