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