Know all about Oil shale and Arkose properties here. All properties of rocks are important as they define the type of rock and its application. Oil shale and Arkose belong to Sedimentary Rocks.Texture of Oil shale is Splintery whereas that of Arkose is Clastic. Oil shale appears Muddy and Arkose appears Rough and Dull. The luster of Oil shale and Arkose is dull. Oil shale is available in black, brown, buff, green, grey, red, yellow colors whereas Arkose is available in reddish brown colors. The commercial uses of Oil shale are an oil and gas reservoir and that of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.