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