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