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