Know all about Gritstone and Basaltic Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Gritstone belongs to Sedimentary Rocks while Basaltic Trachyandesite belongs to Igneous Rocks.Texture of Gritstone is Earthy whereas that of Basaltic Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Gritstone appears Layered and Foliated and Basaltic Trachyandesite appears Dull and Soft. The luster of Gritstone is dull while that of Basaltic Trachyandesite is not available. Gritstone and Basaltic Trachyandesite are available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Gritstone are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo), tombstones and that of Basaltic Trachyandesite are an oil and gas reservoir, commemorative tablets, creating artwork.