Know all about Scoria and Oil shale properties here. All properties of rocks are important as they define the type of rock and its application. Scoria belongs to Igneous Rocks while Oil shale belongs to Sedimentary Rocks.Texture of Scoria is Vesicular whereas that of Oil shale is Splintery. Scoria appears Glassy and Vesicular and Oil shale appears Muddy. The luster of Scoria is subvitreous to dull while that of Oil shale is dull. Scoria is available in black, brown, dark grey to black, red colors whereas Oil shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills and that of Oil shale are an oil and gas reservoir.