Know all about Basaltic Trachyandesite and Oil shale properties here. All properties of rocks are important as they define the type of rock and its application. Basaltic Trachyandesite belongs to Igneous Rocks while Oil shale belongs to Sedimentary Rocks.Texture of Basaltic Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Oil shale is Splintery. Basaltic Trachyandesite appears Dull and Soft and Oil shale appears Muddy. The luster of Basaltic Trachyandesite is not available while that of Oil shale is dull. Basaltic Trachyandesite is available in black, brown, light to dark grey colors whereas Oil shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Basaltic Trachyandesite and Oil shale are an oil and gas reservoir, commemorative tablets, creating artwork.