Know all about Basaltic Trachyandesite and 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 Shale belongs to Sedimentary Rocks.Texture of Basaltic Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Shale is Clastic, Splintery. Basaltic Trachyandesite appears Dull and Soft and Shale appears Muddy. The luster of Basaltic Trachyandesite is not available while that of Shale is dull. Basaltic Trachyandesite is available in black, brown, light to dark grey colors whereas Shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Basaltic Trachyandesite are an oil and gas reservoir, commemorative tablets, creating artwork and that of Shale are creating artwork, pottery.