Know all about Oil shale and Borolanite properties here. All properties of rocks are important as they define the type of rock and its application. Oil shale belongs to Sedimentary Rocks while Borolanite belongs to Igneous Rocks.Texture of Oil shale is Splintery whereas that of Borolanite is Granular. Oil shale appears Muddy and Borolanite appears Banded and Foilated. The luster of Oil shale is dull while that of Borolanite is greasy to dull. Oil shale is available in black, brown, buff, green, grey, red, yellow colors whereas Borolanite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Oil shale are an oil and gas reservoir and that of Borolanite are cemetery markers.