Know all about Shale and Tuff properties here. All properties of rocks are important as they define the type of rock and its application. Shale belongs to Sedimentary Rocks while Tuff belongs to Igneous Rocks.Texture of Shale is Clastic, Splintery whereas that of Tuff is Clastic, Pyroclastic. Shale appears Muddy and Tuff appears Dull, Vesicular and Foilated. The luster of Shale is dull while that of Tuff is vitreous to dull. Shale and Tuff are available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Shale and Tuff are creating artwork, pottery.