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