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