Know all about Shale and Mudstone properties here. All properties of rocks are important as they define the type of rock and its application. Shale and Mudstone belong to Sedimentary Rocks.Texture of Shale is Clastic, Splintery whereas that of Mudstone is Clastic. Shale appears Muddy and Mudstone appears Rough and Dull. The luster of Shale and Mudstone is dull. Shale is available in black, brown, buff, green, grey, red, yellow colors whereas Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Shale and Mudstone are creating artwork, pottery.