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